Incipit - I
- Iacob autem (Solesmes 2000s)
- Iacob autem (Simplex)
- Iacob autem (Verona)
- Iacob autem genuit Ioseph (Solesmes 2000s)
- Iam bone pastor (Solesmes)
- Iam caeca (Solesmes 2019)
- Iam Christe (Solesmes)
- Iam Christus (Solesmes 2019)
- Iam lucis orto sidere (Cistercian (pro festis et dominicis))
- Iam lucis orto sidere (Solesmes 1983)
- Iam lucis orto sidere (solemnitatibus) (Cistercian)
- Iam non dicam (Solesmes 2000s)
- Iam surgit (Solesmes 1983)
- Iam surgit hora tertia (Cistercian)
- Iam surgit TP (Solesmes 1983)
- Ibant parentes (Verona)
- Ibant parentes (Sandhofe)
- Ibant parentes (Solesmes 2020)
- Ibant parentes Jesu (Solesmes 1934)
- Ibant parentes Jesu (Solesmes 1961)
- Ibant parentes Jesu (Solesmes)
- Ibant parentes Jesu (Dominican)
- Ibat Jesus (Dominican)
- Ibat Jesus (Solesmes 1934)
- Ibat Jesus (Solesmes 1961)
- Ibat Jesus in civitatem (Solesmes)
- Ibat Jesus in civitatem (Solesmes)
- Ibat Jesus in civitatem (Solesmes 1934)
- Ideo accipient regnum decoris (Solesmes 1934)
- Ideo jurejurando (Solesmes 1961)
- Ideo jurejurando (Solesmes 1934)
- Ideo sunt (solesmes 1934)
- Ideo sunt (Solesmes 1961)
- Ideo sunt (Dominican)
- Ideo sunt ante thronum (Solesmes)
- Ierusalem gaude (Verona)
- Ierusalem gaude (Solesmes 2000s)
- Ierusalem luce (Verona)
- Ierusalem respice (Verona)
- Ierusalem respice (Solesmes 2000s)
- Iesu corona celsior (Cistercian)
- Iesu corona celsior (Cistercian)
- Iesu corona celsior (Cistercian)
- Iesu corona celsior (Cistercian)
- Iesu corona virginum (Solesmes 1983)
- Iesu corona virginum (Cistercian)
- Iesu corona virginum (Cistercian)
- Iesum Christum, regem regum (Solesmes 1983)
- Iesum quem quaeritis (Verona)
- Iesum qui crucifixus (Verona)
- Iesu nostra redemptio (Solesmes)
- Iesu nostra redemptio (Cistercian)
- Iesu quadragenariae (Solesmes 1983)
- Iesu Redemptor (Vatican)
- Iesu Redemptor (Dominica Pentecostes) (Vatican)
- Iesu redemptor omnium ()
- Iesu redemptor saeculi TP (Solesmes 1983)
- Iesu rex admirabilis (Solesmes)
- Iesu Salvator saeculi (Cistercian)
- Iesus autem transiens (Verona)
- Iesus Christus heri (Verona)
- Iesus clamans voce (Verona)
- Iesus iunxit se (Verona)
- Igitur perfecti sunt (Dominican)
- Igne divini radians (Solesmes 1983)
- Ignem (Solesmes 1961)
- Ignem (Palmer & Burgess)
- Ignem (Solesmes)
- Igne me examinasti (Sandhofe)
- Ignem veni (Vatican)
- Ignem veni (Solesmes)
- Ignem veni mittere (Verona)
- Ignem veni mittere (Verona)
- Ignem veni mittere (Solesmes 1934)
- Ignis grando (Dominican)
- Ille homo (Verona)
- Ille homo (Dominican)
- Ille homo (Solesmes 1961)
- Ille homo qui dicitur (Solesmes)
- Ille me clarificabit (Verona)
- Ille me clarificabit (Solesmes 2000s)
- Ille me clarificabit (Dominican)
- Illi autem profecti (Cistercian)
- Illi ergo homines (Solesmes)
- Illi ergo homines (Dominican)
- Illi ergo homines (Solesmes 1961)
- Illumina (Vatican)
- Illumina (Simplex)
- Illumina (Palmer & Burgess)
- Illumina (Solesmes)
- Illumina (Dominican)
- Illumina (Palmer & Burgess)
- Illumina Domine (Verona)
- Illumina Domine (I) (Dominican)
- Illumina Domine (II) (Dominican)
- Illumina Domine sedentes (Verona)
- Illumina Domine sedentes ()
- Illumina Domine sedentes (Solesmes)
- Illumina Domine vultum (Solesmes)
- Illumina faciem (Solesmes)
- Illumina faciem (Vatican)
- Illumina faciem (Dominican)
- Illumina Faciem Tuam (English Adaptation)
- Illumina nos (Dominican)
- Illumina nos Domine (Solesmes)
- Illuminans Altissimus (Cistercian)
- Illuminans tu mirabiliter (Sandhofe)
- Illumina oculos (Solesmes)
- Illumina oculos (Vatican)
- Illumina oculos meos (Verona)
- Illuminare Domine (Solesmes 1981)
- Illuminare Domine (Verona)
- Illuminare Domine his qui (Solesmes 1934)
- Illuminare illuminare Jerusalem (Solesmes 1934)
- Illuminare illuminare Jerusalem (Solesmes 1957)
- Illuminare illuminare Jerusalem (Solesmes 2019)
- Illuminare illuminare Jerusalem (Sandhofe)
- Illuminare illuminare Jerusalem (Resp.) (Gregofacsimil)
- Illuminatio mea (Simplex)
- Illuminatio mea (Verona)
- Illuminatio mea (Solesmes 1981)
- Illuminatio mea (Solesmes)
- Illuminatio mea (Solesmes 1961)
- Illuminatio mea (Dominican)
- Illuxerunt (Palmer & Burgess)
- Illuxerunt (Vatican)
- Illuxerunt (Solesmes)
- Illuxit nobis dies (Verona)
- Imago Dei (Annamitice)
- Imitatores (Dominican)
- Imitatores (Solesmes)
- Imitatores (Vatican)
- Immaculatam Conceptionem (Solesmes 1957)
- Immaculatam conceptionem (Sandhofe)
- Immaculátam Conceptiónem Vírginis (Solesmes 1983)
- Immensae rex potentiae (Solesmes)
- Immensa et una (Solesmes 1983)
- Immense caeli (Solesmes 1983)
- Immense caeli (Solesmes 1961)
- Immense caeli Conditor (Solesmes)
- Immense caeli Conditor (aestivalis) (Solesmes 1934)
- Immense caeli Conditor (hiemalis) (Solesmes 1934)
- Immisit Dominus soporem (Sandhofe)
- Immisit Dominus soporem (Resp.) (Gregofacsimil)
- Immittet Angelus (Solesmes)
- Immittet Angelus (Dominican)
- Immittet Angelus (Solesmes 1961)
- Immittet Angelus (Palmer & Burgess)
- Immittet Angelus (Sandhofe)
- Immittet Angelus (Triplex)
- Immittet Angelus (Solesmes)
- Immittet Angelus (Dominican)
- Immolabit (Solesmes 1961)
- Immolabit (Solesmes 1961)
- Immolabit haedum (Solesmes 1957)
- Immolabit hoedum (Sandhofe)
- Immola Deo (Nocturnale Vaticanum)
- Immola Deo (Sandhofe)
- Immola Deo (Verona)
- Immolans Deo (Proprium Ordinis de Mercede)
- Immortali laude (Dominican)
- Immutemur habitu (Dominican)
- Immutemur habitu (Vatican)
- Immutemur habitu (Solesmes)
- Immutemur habitu ()
- Immutemur habitu (Palmer & Burgess)
- Imperatrix Angelorum (Solesmes)
- Impetum fecerunt (Sandhofe)
- Impetum fecerunt (Resp.) (Gregofacsimil)
- Impetum inimicorum (Gregofacsimil)
- Impetum inimicorum (Verona)
- Impetum inimicorum (Sandhofe)
- Impietatibus (Dominican)
- Impietatibus nostris (Solesmes)
- Impii super justum (Sandhofe)
- Impii super justum (Dominican (Jandel))
- Impii super justum (Resp.) (Gregofacsimil)
- Implente munus (Solesmes 2000s)
- Implente munus debitum (Solesmes 1983)
- Impleta gaudent (Dominican)
- Impositio coronae spineae (Solesmes)
- Impositio diadematis B. M. V. (Solesmes)
- Impositio diadematis B. M. V. (Alia antiphona) (Solesmes)
- Improperium 1 (Palmer & Burgess)
- Improperium (Palmer & Burgess)
- Improperium (Dominican)
- Improperium (Vatican)
- Improperium (Vatican)
- Improperium (Solesmes)
- Improperium 2 (Palmer & Burgess)
- Improperium (Vatican)
- Improperium... et dederunt (Solesmes)
- Improperium... et dederunt (Offertoriale_1935)
- Improperium... et non inveni (Solesmes)
- Improperium... et non inveni (Vatican)
- Improperium... simul contristaretur (Dominican)
- Improperium... simul mecum (Dominican)
- In aetérnum misericórdia (Solesmes 1961)
- In caeléstibus regnis (Solesmes 1934)
- In civitáte Dómini (Solesmes 2000s)
- In conceptióne sua (Solesmes 1895)
- In cælesti collegio (Solesmes 1983)
- In cælestibus regnis (Simplex)
- In adventu (1874 Directorium Chori)
- In adventu summi (Solesmes)
- In adventu summi (Nocturnale Vaticanum)
- In adventu summi (Verona)
- In adventu summi Regis (Sandhofe)
- In aeternum (Dominican)
- In aeternum (Solesmes 1961)
- In aeternum Domine (Dominican)
- In aeternum Domine (Solesmes 1981)
- In aeternum Domine (Verona)
- In aeternum Domine (Solesmes)
- In aeternum Dominus (Verona)
- In aeternum et (Verona)
- In articulo die illius (Sandhofe)
- In benedictione (Proprium Poloniae)
- In caelestibus regnis (Dominican)
- In caelestibus regnis (Solesmes 1934)
- In caelestibus regnis (Proprium Poloniae)
- In caelestibus regnis (Solesmes 1961)
- In caelestibus regnis ... allel. (Solesmes)
- In caelestibus regnis... alleluia (Solesmes 1961)
- In caelesti hierarchia (Dominican)
- In caritate (Solesmes 1961)
- In caritate perpetua (Verona)
- In caritate perpetua (Solesmes)
- In caritate perpetua (Solesmes 1934)
- Incipite (Dominican)
- Incipit lamentatio Jeremiae Prophetae (Solesmes)
- Incipit lamentatio (litterae) ()
- Incipit Oratio Jeremiae Prophetae (Solesmes)
- Incipit Oratio Jeremiae Prophetae (ad libitum) (Solesmes)
- In circuitu (Solesmes 1961)
- In circuitu (Dominican)
- In circuitu populi (Solesmes)
- In civitate (Dominican)
- Inclina aurem tuam (Solesmes)
- Inclina aurem tuam (Palmer & Burgess)
- Inclina aurem tuam (Vatican)
- Inclina aurem tuam (Dominican)
- Inclina cor meum (Solesmes 1961)
- Inclina cor meum (Dominican)
- Inclina cor meum (Solesmes 1981)
- Inclina cor meum (Verona)
- Inclina cor meum (Solesmes 1934)
- Inclina cor meum (Solesmes)
- Inclina Domine (Nocturnale Vaticanum)
- Inclina Domine (Cisterciensis 1955)
- Inclina Domine (Dominican)
- Inclina Domine (Solesmes)
- Inclina Domine (Sandhofe)
- Inclina Domine ()
- Inclina Domine (Palmer & Burgess)
- Inclina Domine aurem tuam (Solesmes 1981)
- Inclina Domine aurem tuam (Verona)
- Inclina Domine aurem tuam mihi (Verona)
- Inclinate (Cisterciensis 1955)
- Inclinate aurem (Verona)
- Inclinavit Dominus ()
- Inclinavit Dominus (Solesmes 1961)
- Inclinavit Dominus (Solesmes 1934)
- Inclinavit Dominus (Dominican)
- Inclinavit Dominus (Solesmes)
- Inclinavit Dominus (Verona)
- Inclinavit Dominus (Simplex)
- Inclinavit Dominus ()
- Inclinavit se Iesus (Verona)
- Inclinavit se Jesus (Solesmes 1961)
- Inclinavit se Jesus (Solesmes)
- Inclinavit se Jesus (Dominican)
- Inclinavit se Maria (Solesmes 2000s)
- Inclinet Dominus (Solesmes)
- Inclinet Dominus (Vatican)
- Inclitos Christi (Solesmes)
- Inclitos Christi famulos (Cistercian)
- Inclitus pastor (Cistercian)
- Inclitus rector (Pro Episcopo) (Solesmes 1983)
- Inclitus rector (Pro Papa) (Solesmes 1983)
- Inclitus rector (Pro Presbytero) (Solesmes 1983)
- Inclyta (Dominican)
- Inclyta stirps Jesse (Solesmes 1934)
- Inclytos Christi (Proprium Poloniae)
- Inclytos Christi (Solesmes 1983)
- Inclytus martyr (Dominican)
- In colombae specie (Dominican)
- In columbae specie (Sandhofe)
- In columbae specie (Solesmes 2000s)
- In columbae specie (Solesmes 1934)
- In columbae specie (Solesmes 2000s)
- In columbae specie (Resp.) (Gregofacsimil)
- In columbae specie (Resp. Br. tonus simplex) (Solesmes 1934)
- In columbae specie (Resp. Br. tonus solemnis) (Solesmes 1934)
- In columbae specie Spiritus (Verona)
- In Conceptione sua (Sandhofe)
- In consilio iustorum (Verona)
- In conspectu (Solesmes 1934)
- In conspectu (Simplex)
- In conspectu... adorabo (All) (Vatican)
- In conspectu... adorabo (All) (Solesmes)
- In conspectu... allel. (Resp Br) (Dominican)
- In conspectu Angelorum (Solesmes 1961)
- In conspectu Angelorum (Solesmes)
- In conspectu Angelorum (Solesmes 1934)
- In conspectu Angelorum (Solesmes 1934)
- In conspectu Angelorum (Palmer & Burgess)
- In conspectu Angelorum (Sandhofe)
- In conspectu angelorum (Solesmes 2000s)
- In conspectu angelorum (Verona)
- In conspectu angelorum (Solesmes 1981)
- In conspectu Angelorum (Off) (Solesmes 1961)
- In conspectu Angelorum (Off) (Vatican)
- In conspectu Angelorum (Off) (Dominican)
- In conspectu Angelorum (Paschal Time) (Solesmes 1961)
- In conspectu Angelorum (Resp Br) (Solesmes 1934)
- In conspectu Angelorum (Resp Br) (Dominican)
- In conspectu Angelorum ... Votive Mass (Palmer & Burgess)
- In conspectu... Domine Deus (Vatican)
- In conspectu... Domine Deus (Dominican)
- In conspectu... Domine Deus (Solesmes)
- In conspectu gentium (Dominican)
- In conspectu gentium (Sandhofe)
- In conspectu gentium (t.p.) (Sandhofe)
- In corde Gertrudis (Solesmes 1934)
- In craticula (Solesmes 2000s)
- In craticula (Dominican)
- In craticula (Sandhofe)
- In craticula Te Deum (Solesmes 1934)
- In craticula te Deum (Solesmes)
- In cymbalis (Solesmes 1934)
- In cymbalis (Verona)
- In cymbalis benesonantibus (Solesmes 1981)
- In dedicatione templi (Sandhofe)
- In Dei fervens ()
- In Deo confisum (Solesmes)
- In Deo laudabo (Vatican)
- In Deo laudabo (Dominican)
- In Deo laudabo (Solesmes)
- In Deo salutare (Solesmes)
- In Deo salutare meum (Nocturnale Vaticanum)
- In Deo salutare meum (Sandhofe)
- In Deo salutari (Verona)
- In Deo salutari meo ()
- In Deo speravi (Solesmes 1961)
- In Deo speravi (Solesmes)
- In Deo speravi (Dominican)
- In Deo speravit (Dominican)
- In Deo speravit (Palmer & Burgess)
- In Deo speravit (Triplex)
- In Deo speravit (Vatican)
- In Deo speravit (Solesmes)
- In Deo speravit (Vatican)
- In Deo speravit (Solesmes)
- In deserto (Solesmes)
- In diademate (Sandhofe)
- Indicabo te (Sandhofe)
- Indicabo tibi homo (Gregofacsimil)
- In die (Dominican)
- In diebus illis: Dixit Dominus ad Moysen ()
- In diebus illis: Dixit Dominus ad Moysen ()
- In diebus illis: Facta est super me ()
- In diebus illis: Factum est in vigilia ()
- In diebus illis: Factum est verbum Domini ()
- In diebus illis: Nabuchodonosor rex (Nabuchodonosor Rex 2003)
- In diebus illis: Scripsit Moyses ()
- In diebus illis: Tentavit Deus Abraham ()
- In diebus ejus (Dominican)
- In diebus illis (Verona)
- In diebus illis (Solesmes 1961)
- In diebus illis (Dominican)
- In diebus illis mulier (Solesmes)
- In diebus illis mulier quae erat (Solesmes 1934)
- In die magno (Dominican)
- In die magno (Solesmes 1961)
- In die magno (Solesmes 1934)
- In die magno festivitatis (Verona)
- In die magno festivitatis (Solesmes)
- In die qua invocavi te (Sandhofe)
- In die resurrectionis (Solesmes)
- In die resurrectionis (Palmer & Burgess)
- In die resurrectionis (Vatican)
- In die solemnitatis (Vatican)
- In die solemnitatis (Dominican)
- In die solemnitatis (Offertoriale 1935)
- In die solemnitatis (Solesmes)
- In die tribulationis (Solesmes 1961)
- In die tribulationis (Verona)
- In die tribulationis meae (Sandhofe)
- In disciplina morum (Cistercian)
- In Domino (Dominican)
- In Domino (Verona)
- In Domino justificabitur (Solesmes)
- In Domino justificabitur (solesmes 1934)
- In Domino sperans (Verona)
- In domo David (Solesmes 2000)
- In domum Domini (Verona)
- Induere vestimentis gloriae (Cisterciensis 1955)
- Indue te (Dominican)
- Induit Dominus (Dominican)
- Induit eum (Vatican)
- Induit eum (Solesmes)
- Induit me Dominus (Sandhofe)
- Induit me Dominus (Verona)
- Induit me Dominus (Sandhofe)
- Induit me Dominus (Solesmes)
- Induit me Dominus (Resp.) (Gregofacsimil)
- Induta est caro mea (Gregofacsimil)
- Induta est caro mea (Sandhofe)
- Inebriabuntur (Solesmes)
- Inebriati sunt (Sandhofe)
- In Ecclesiis (Proprium Poloniae)
- In ecclesiis (Dominican)
- In ecclesiis (Nocturnale Vaticanum)
- In ecclesiis (Cisterciensis 1955)
- In ecclesiis (Sandhofe)
- In ecclesiis (Verona)
- In Ecclesiis benedicite Deo (Sandhofe)
- In excelsis laudate (Solesmes)
- In excelso throno (Vatican)
- In excelso throno (Solesmes)
- In excelso throno (Palmer & Burgess)
- In exitu Israel (Triplex)
- In exitu Israel (Vatican)
- In exitu Israel (Palmer & Burgess)
- In exitu Israel (Solesmes)
- In exitu Israel de Aegypto (Annamitice)
- Infantulus (Dominican)
- In ferventis (Dominican)
- In ferventis olei (Solesmes)
- In ferventis olei (Solesmes 1961)
- In fide et lenitate (Solesmes 2000s)
- In Filio suo (Verona)
- In firmamento (Verona)
- Infirmus fui (Solesmes)
- Infirmus fui (Vatican)
- Inflammatum est (Solesmes)
- Inflammatum est (Dominican)
- In Francisci filio (Solesmes)
- In Galilaea (Simplex)
- In Galilaea Iesum (Verona)
- Ingenua sum (Sandhofe)
- Ingrediente Domino (Solesmes)
- Ingrediente Domino (Vatican)
- Ingressa Agnes (Solesmes 1934)
- Ingressa Agnes (Solesmes)
- Ingressa Agnes (Dominican)
- Ingressa Agnes (Solesmes 1961)
- Ingresso Zacharia (Solesmes 1934)
- Ingresso Zacharia (Dominican)
- Ingresso Zacharia (Solesmes 1961)
- Ingresso Zacharia templum (Solesmes)
- Ingresso Zacharia templum (Solesmes)
- Ingressus Aaron (Solesmes)
- Ingressus Aaron (Vatican)
- Ingressus Angelus (Solesmes 1961)
- Ingressus Angelus (Dominican)
- Ingressus Angelus ad Tobiam (Sandhofe)
- Ingressus Angelus ad Tobiam (Solesmes)
- Ingressus Paulus (Dominican)
- Ingressus Raphael (Dominican)
- Inhabitabo (Vatican)
- In hoc cognóvi (Solesmes 2000s)
- In hoc cognóvi (Solesmes 1934)
- In hoc cognoscent (Verona)
- In hoc cognoscent (Vatican)
- In hoc cognoscent (Solesmes)
- In hoc cognoscent (Palmer & Burgess)
- In hoc cognoscent omnes (Solesmes 2000s)
- In hoc cognovi (Solesmes)
- In hoc cognovi (Solesmes 1957)
- In hoc cognovi (Solesmes 1934)
- In hoc cognovi (Solesmes 1961)
- In hoc cognovi (Dominican)
- In hoc Hyacinthi (Dominican)
- In hoc Hyacinthi (Proprium Poloniae)
- In humilitate (Dominican)
- In hymnis (Solesmes 1957)
- In hymnis (Sandhofe)
- In hymnis et confessionibus (Gregofacsimil)
- In illa die (Verona)
- In illa die (Solesmes 2000s)
- In illa die (Vatican)
- In illa die (Solesmes 1961)
- In illa die (Dominican)
- In illa die (Solesmes 1934)
- In illa die (Solesmes)
- In illo tempore: Cum appropinquasset ()
- In illo tempore: Maria Magdalene ()
- In illo die suscipiam (Sandhofe)
- In illo die suscipiam (Resp.) (Gregofacsimil)
- In illo tempore exauditae (Sandhofe)
- Inimici mei dixerunt (Sandhofe)
- Inimicitias (Palmer & Burgess)
- Inimicitias ponam (Solesmes)
- In innocentia (Dominican)
- In innocentia cordis (Solesmes)
- In Israel (Verona)
- In Israel magnum (Solesmes 1934)
- In Israel magnum nomen eius. (Solesmes 1981)
- In isto loco promissio (Resp.) (Gregofacsimil)
- Initio cognovi (Vatican)
- Initio cognovi (Solesmes)
- Initium sapientiae ()
- Initium sapientiae (Solesmes)
- Initium sapientiae (Sandhofe)
- Initium sapientiae (Gregofacsimil)
- In jejunio et fletu (Sandhofe)
- In jejunio et fletu (Resp.) (Gregofacsimil)
- In laetitia (Supplementum Liber Usualis)
- In laetitia (Dominican)
- In lege (Solesmes 1895)
- In lege Domini (Verona)
- In lege Domini (Sandhofe)
- In loco pasccuae (Sandhofe)
- In loco pascuae (Verona)
- In loco pascuae (Solesmes)
- In loco pascuae (Dominican)
- In loco pascuae ibi Dominus (Solesmes 1961)
- In loco pascuae ibi me (Solesmes 1961)
- In mandatis (nabc)
- In mandatis (Solesmes 2000s)
- In mandatis (Solesmes 1934)
- In mandatis eius (Verona)
- In manus tuas (Solesmes 1961)
- In manus tuas (Dominican)
- In manus tuas... allel. (Dominican)
- In manus tuas Domine (Per Annum) (Solesmes)
- In manus tuas Domine (Tempore Adventus) (Solesmes)
- In manus tuas Domine (Tempore Paschali) (Solesmes)
- In manus tuas (in Adventu) (Solesmes 1961)
- In manus tuas (tempore Paschali) (Vatican)
- In manu tua (Cisterciensis 1955)
- In mari (Solesmes 1948)
- In Mariae laudem (Annamitice)
- In mari via tua (Sandhofe)
- In mari via tua (Resp.) (Gregofacsimil)
- In martyris Laurentii (Solesmes)
- In matutinis (Verona)
- In matutinis (Dominican)
- In medio (Palmer & Burgess)
- In medio (Palmer & Burgess)
- In medio Ecclesiae (Vatican)
- In medio Ecclesiae (Dominican)
- In medio Ecclesiae (Solesmes 2000s)
- In medio Ecclesiae (Dominican)
- In medio Ecclesiae (Solesmes)
- In medio ecclesiae (Sandhofe)
- In medio ecclesiae (Verona)
- In medio Ecclesiae all. all. (Dominican)
- In medio Ecclesiae all. all. all. (Dominican)
- In medio ecclesiae (Resp.) (Gregofacsimil)
- In medio et circuitu (Dominican)
- In me gratia (Dominican)
- In me gratia (Proprium Poloniae)
- In me gratia (Vatican)
- In me gratia (Solesmes)
- In me gratia (Solesmes)
- In Monte Oliveti (Solesmes 1954)
- In monte Oliveti (OSB)
- In monte Oliveti (Solemses 1908)
- In monte Oliveti (Hartker/Solesmes)
- In monte Oliveti (Vatican)
- In monte Oliveti (Solesmes 1961)
- In monte oliveti (Sandhofe)
- In monte olivis (Solesmes 1957)
- In monte olivis (Sandhofe)
- In mortem (Dominican)
- In multitudine (Vatican)
- In multitudine (Solesmes)
- In multitudine (Dominican)
- In natali Domini (Solesmes)
- In Nativitate Domini - Cantus Martyrologii (Dominican)
- Innocens (Dominican)
- Innocens manibus (Solesmes)
- Innocens manibus (Verona)
- Innocens manibus (Solesmes 1961)
- Innocens manibus (Dominican)
- Innocens manibus et mundo corde (Vatican)
- Innocentes pro Christo (Solesmes 1961)
- Innocentes pro Christo (Solesmes 2000s)
- Innocentes pro Christo (Solesmes)
- In noctibus ()
- In noctibus (Solesmes)
- In noctibus benedicite (Verona)
- Innocéntes pro Christo (Solesmes 1934)
- In nomine Christi. Amen. (Solesmes 1961)
- In nomine Domini (Triplex)
- In nomine Domini (Solesmes)
- In nomine Domini (Vatican)
- In nomine enim (Verona)
- In Nomine Jesu 1 (Palmer & Burgess)
- In Nomine Jesu 2 (Palmer & Burgess)
- In nomine Jesu (Sandhofe)
- In nomine Jesu... Ps. Domine (Solesmes)
- In nomine Jesu... Ps. Domine (Vatican)
- In nomine Jesu (ps. Domine) (Dominican)
- In nomine Jesu... Ps. Gloriabuntur (Solesmes)
- In nomine Jesu... Ps. Gloriabuntur (Vatican)
- In nomine Jesu (ps. Laudate) (Dominican)
- In nomine meo (Dominican)
- In nomine Patris (Solesmes)
- In nomine Patris (Graece )
- In nomine Patris (Vatican)
- In nomine Patris (Italice)
- In nomine Patris (Graece transliteratum)
- Innova signa (Solesmes)
- Innova signa (Vatican)
- Innuebant (Dominican)
- Innuebant patri (Solesmes 1961)
- Innuebant patri ejus (Solesmes 1934)
- Innuebant patri ejus (Solesmes)
- Innuebant patri ejus (Sandhofe)
- In odore (Solesmes 2000s)
- In odorem (Solesmes 1961)
- In odorem (Dominican)
- In odorem (Dominican)
- In odorem (Solesmes 1934)
- In odorem (Vatican)
- In odorem unguentorum (Solesmes)
- In omnem terram 2 (Solesmes 1934)
- In omnem terram (Sandhofe)
- In omnem terram (Vatican)
- In omnem terram (Dominican)
- In omnem terram (Palmer & Burgess)
- In omnem terram (Dominican)
- In omnem terram (Dominican)
- In omnem terram (Cistercian)
- In omnem terram (Vatican)
- In omnem terram (Simplex)
- In omnem terram (Solesmes)
- In omnem terram (Palmer & Burgess)
- In omnem terram (Palmer & Burgess)
- In omnem terram (Offertoriale 1935)
- In omnem terram (Solesmes)
- In omnem terram (Vatican)
- In omnem terram (Annamitice)
- In omnem terram (Solesmes 1934)
- In omnem terram... allel. (Dominican)
- In omnem terram (Com.) (Solesmes)
- In omnem terram (Grad.) (Solesmes)
- In omnem terram (Off.) (Solesmes)
- In omnem terram (Resp. Br.) (Solesmes 1934)
- In omnem terram (T.P.) (Solesmes 1974)
- In omnem terram (T.P.) (Cistercian)
- In omnibus exhibeamus (Dominican)
- In omnibus exhibeamus (Sandhofe)
- In omnibus exhibeamus (Resp.) (Gregofacsimil)
- In omnibus gratias (Dominican)
- In omnibus his (Solesmes 1934)
- In omnibus his (Solesmes)
- In omnibus his (Dominican)
- In omnibus his (Solesmes 1961)
- In omni tribulatione (Sandhofe)
- In pace factus est (Verona)
- In pace factus est (Solesmes 1961)
- In pace factus est (Sandhofe)
- In pace in idipsum (Dominican)
- In pace in idipsum (Verona)
- In pace in idipsum (Solesmes 1961)
- In pace in idipsum (Sandhofe)
- In pace in idipsum (Simplex)
- In paradisum (Polish)
- In paradisum (Vatican)
- In paradisum (Simplex)
- In paradisum (Solesmes)
- In patientia vestra (Solesmes 1961)
- In patientia vestra (Solesmes 1934)
- In patientia vestra (Solesmes)
- In patientia vestra (Dominican)
- In Patre manet (Verona)
- In plausu gratia cárminis (Solesmes 1983)
- In potentia (Dominican)
- In praesepio (Verona)
- In principio (Verona)
- In principio creavit ()
- In principio Deus antequam (Sandhofe)
- In principio Deus antequam (Gregofacsimil)
- In principio Deus creavit (Joppich)
- In principio Deus creavit (Sandhofe)
- In principio Deus creavit (Resp.) (Gregofacsimil)
- In principio et ante (Solesmes 2000s)
- In principio et ante (Sandhofe)
- In principio fecit Deus (Sandhofe)
- In principio fecit Deus (Resp.) (Gregofacsimil)
- In proximo est (Sandhofe)
- In proximo est (Resp.) (Gregofacsimil)
- Inquilini domus (Vatican)
- In regeneratione (Solesmes 1934)
- In regeneratione (Dominican)
- In regeneratione cum sederit ()
- In regeneratione (Solesmes 1934) (Solesmes 1934)
- In resurrectione (Verona)
- In resurrectione (Verona)
- In salutari (Vatican)
- In salutari (Solesmes)
- In salutari (Dominican)
- In salutari (Palmer & Burgess)
- In Salutari Tuo (English Adaptation)
- In sanctis ejus (Solesmes 1934)
- In sanctitate et justitia (Solesmes)
- In sanctitate et justitia servierunt (Solesmes 1934)
- In sanctitate serviamus (Dominican)
- In sanctitate serviamus (Verona)
- In sanctitate serviamus (Solesmes)
- In sanctitate serviamus (Solesmes 1981)
- In sanctitate serviamus (Solesmes 1934)
- In sermonibus (Solesmes)
- In servis suis (Dominican)
- In servis suis (Solesmes)
- In servis suis ... consolabitur (Sandhofe)
- Insigne Francorum jubar ()
- In sole (Cisterciensis 1955)
- In sole (OCO 2015)
- In sole posuit (Dominican)
- In sole posuit (Solesmes)
- In sole posuit (Vatican)
- In sole posuit Deus (Sandhofe)
- In sole posuit tabernaculum (Sandhofe)
- In sole posuit tabernaculum (Nocturnale Vaticanum)
- IN spiritu (Solesmes 1934)
- In spiritu (Dominican)
- In spiritu humilitatis (Verona)
- In spiritu humilitatis (Solesmes)
- In spledenti nube (Sandhofe)
- In Splendoribus (English Adaptation)
- In splendoribus (Solesmes)
- In splendoribus (Dominican)
- In splendoribus (Palmer & Burgess)
- In splendoribus (Vatican)
- In splendoribus (Triplex)
- In sua ergo ac nostra festivitate (OSB)
- In sudore vultus tui (Sandhofe)
- In sudore vultus tui (Resp.) (Gregofacsimil)
- Insurrexerunt (Solesmes)
- Insurrexerunt (Palmer & Burgess)
- Insurrexerunt (Dominican)
- Insurrexerunt (Vatican)
- Insurrexerunt in me (Sandhofe)
- Insurrexerunt in me (Sandhofe)
- Insurrexerunt in me (Solesmes 1961)
- In tabernaculis iustorum (Verona)
- In tali servo (Dominican)
- Intede voci ()
- In te Domine (Solesmes)
- In te Domine (Vatican)
- In te Domine (Palmer & Burgess)
- In te Domine (Dominican)
- In te jactatus sum ex (Sandhofe)
- In te jactatus sum (Resp.) (Gregofacsimil)
- Intellege (Simplex)
- Intellege (Solesmes 2000s)
- Intellege clamorem (Verona)
- Intellege clamorem (Solesmes )
- Intellegite (Sandhofe)
- Intellige (Palmer & Burgess)
- Intellige clamorem (Dominican)
- Intellige clamorem (Solesmes 1934)
- Intellige clamorem (Vatican)
- Intellige clamorem (Solesmes)
- Intelligite (Nocturnale Vaticanum)
- In tempore illo (Sandhofe)
- Intende in adjutorium (Nocturnale Vaticanum)
- Intende in adjutorium (Sandhofe)
- Intende in me (Verona)
- Intenderunt arcum (Sandhofe)
- Intenderunt arcum rem amaram (Sandhofe)
- Intende voci (Palmer & Burgess)
- Intende voci (Simplex)
- Intende voci (Dominican)
- Intende voci (Dominican)
- Intende voci (Solesmes)
- Intende voci (Solesmes)
- Intende voci (Vatican)
- Intende voci orationis ()
- Intende voci orationis (Verona)
- Inter aeternas (Antiphonale Solesmense 1935)
- Inter aeternas (Solesmes 1934)
- Intercede (Dominican)
- Inter natos (Solesmes 2000s)
- Inter natos (Dominican)
- Inter natos (Dominican)
- Inter natos (Dominican)
- Inter natos mulíerum (solesmes 1934)
- Inter natos mulierum (Solesmes 1961)
- Inter natos mulierum (Solesmes)
- Inter natos mulierum (Solesmes)
- Inter natos mulierum (Solesmes 1934)
- Inter natos mulierum (Solesmes 1961)
- Inter natos mulierum I (Solesmes 1957)
- Inter natos mulierum II (Solesmes 1957)
- Interrogabat Magos (Solesmes)
- Interrogabat magos (Verona)
- Interrogabat magos (Solesmes 1961)
- Interrogabat Magos Herodes (Solesmes 1934)
- Interrogabat magos Herodes (Resp.) (Gregofacsimil)
- Interrogatus a praeside (Antiphonale Solesmense 1935)
- Interrogatus te Dominum (Sandhofe)
- Interrogatus te Dominum (Solesmes 2000s)
- Interrogavit Tobias Angelum (Sandhofe)
- Inter vestibulum (Dominican)
- In te speravi (English Adaptation)
- In te speravi (Vatican)
- In te speravi (Solesmes)
- In te speravi (Palmer & Burgess)
- In te speravi (Dominican)
- In te speravi (Offertoriale 1935)
- In Te Speravi (English/Spanish) (English/Spanish Adaptation)
- In timore incolatus (Sandhofe)
- Intonant, ecce, per area voces (Vatican)
- Intonuit de caelo (Palmer & Burgess)
- Intonuit de caelo (Solesmes)
- Intonuit de caelo (Dominican)
- Intonuit de coelo (Vatican)
- In toto corde meo (Solesmes 1981)
- In toto corde meo (Verona)
- In toto corde meo (Sandhofe)
- In toto corde tuo (Sandhofe)
- Intrantem Iesum (Solesmes 2000)
- Intrantes magi (Verona)
- Intrantes magi (Solesmes 2000s)
- Intrantes magi ()
- Intrate par angustam portam (Solesmes 2000s)
- Intrate per angustam (Verona)
- Intraverunt (Vatican)
- Intravit autem rex (Solesmes 2000s)
- Intravit autem rex (Solesmes 1961)
- Intravit autem rex (Solesmes 1934)
- Intravit autem rex (Solesmes)
- Intravit autem rex (Verona)
- Intravit Iesus (Verona)
- Intravit Jesus (Dominican)
- Intravit Jesus (Solesmes 1934)
- Intravit Jesus (Solesmes)
- Intravit Maria (Solesmes 1934)
- Intravit Maria (Sandhofe)
- Intravit Maria (Solesmes)
- Intravit Maria (Solesmes 1961)
- Intrepidus (Dominican)
- Intret in conspectu (Palmer & Burgess)
- Intret in conspectu (Vatican)
- Intret in conspectu (Dominican)
- Intret in conspectu (Solesmes)
- Intret oratio (Solesmes)
- Intret oratio (Dominican)
- Intret oratio (Vatican)
- Intret oratio (Dominican)
- Intret oratio mea (Solesmes 1934)
- Intret oratio mea (Solesmes 1961)
- Intret oratio mea (Verona)
- In tribulatione (Solesmes 1934)
- In tribulatione (Simplex)
- In tribulatione (Dominican)
- In tribulatione invocavi (Solesmes)
- In tribulatione invocavi Dominum (Verona)
- Introduxit nos Dominus (Palmer & Burgess)
- Introduxit vos (Dominican)
- Introduxit vos (Solesmes)
- Introduxit vos (Vatican)
- Introibo (Solesmes 1961)
- Introibo (Triplex)
- Introibo (Simplex)
- Introibo (Solesmes)
- Introibo (Vatican)
- Introibo (Palmer & Burgess)
- Introibo ad altare (Dominican)
- Introibo ad altare (Solesmes)
- Introibo ad altare (Simplex)
- Introibo ad altare (Sandhofe)
- Introibo ad altare (Dominican)
- Introibo ad altare (Vatican)
- Introibo ad Altare Dei (English Adaptation)
- Introibo in domum (Dominican)
- Introibo in domum (Solesmes)
- Introibo in domum (Vatican)
- Introibo in domum (Vatican)
- Introibo in domum (Verona)
- Introibo (St Louis) (Solesmes)
- In tua iustitia (Verona)
- In tua justitia (Vatican)
- In tua justitia (Solesmes 1961)
- In tua justitia (Dominican)
- In tua justitia (Cisterciensis 1955)
- In tua justitia (Solesmes)
- In tua patientia (Solesmes)
- In tua patientia (Solesmes 1934)
- In tua patientia (Dominican)
- In tua patientia (Solesmes 1961)
- Intuemini (Verona)
- Intuemini (Dominican)
- Intuemini (Solesmes 2000s)
- Intuemini quam sit (Solesmes)
- Intuemini quantus (Sandhofe)
- Intuemini quantus (Resp.) (Gregofacsimil)
- Intuens in caelum (Sandhofe)
- Intuens in caelum (Dominican)
- Intuens in caelum (Resp.) (Gregofacsimil)
- In tuo adventu (Dominican)
- In tympano et choro (Solesmes 1981)
- In tympano et choro (Solesmes 1934)
- In tympano et choro (Solesmes 1934)
- Inundaverunt (Dominican)
- Inundaverunt aquae (Solesmes)
- Inundaverunt aquae (Verona)
- Inundavérunt (Solesmes 1934)
- In universa terra (Sandhofe)
- In velamento clamabant (Solesmes 1934)
- In velamento clamabant (Solesmes 1961)
- In velamento clamabant (Solesmes)
- In velamento clamabunt (Dominican)
- In velamento clamavi (Solesmes)
- In velamento clamavi (Solesmes 1934)
- Invenerunt (Dominican)
- Inveni David (Solesmes)
- Inveni David (Vatican)
- Inveni David (Dominican)
- Inveni David (Dominican)
- Inveni David (Triplex)
- Inveni David (Palmer & Burgess)
- Inveni David (Palmer & Burgess)
- Inveni David (Vatican)
- Inveni David (Vatican)
- Inveni David (Solesmes 1961)
- Inveni David (Dominican)
- Inveni David (Sandhofe)
- Inveni David (Finlandiae)
- Inveni David (Palmer & Burgess)
- Inveni David (Alleluia) (Solesmes)
- Inveni David (Offertorium) (Solesmes)
- Inveni David (St Louis) (Solesmes)
- Invenit Hyacinthus (Dominican)
- Invenit se (Dominican)
- Inventae Crucis festa (Sandhofe)
- Inventio Jesu in templo (Solesmes)
- In verbum tuum (Verona)
- In verbum tuum (Solesmes 2000s)
- In veritate tua (Verona)
- In veritate tua (Solesmes 1981)
- In veritate tua (Solesmes 1934)
- In viam pacis (Verona)
- In viam pacis dirige (Solesmes 1981)
- Invicte Martyr (Solesmes)
- Invicte Martyr unicum (Solesmes)
- Invicte Martyr unicum (Alter tonus) (Solesmes)
- Invicte Martyr unicum (Alter tonus T. P.) (Solesmes)
- Invicte Martyr unicum (Pro S. Stephano) (Solesmes)
- Invicte Martyr unicum (Temp. Pasch.) (Solesmes)
- In vinculis (Verona)
- Inviolata (Solesmes)
- Inviolata (Dominican)
- Inviolata (Dominican)
- Inviolata (Solesmes)
- In virtute tua (Dominican)
- In virtute tua (Vatican)
- In virtute tua (Vatican)
- In virtute tua (Solesmes)
- In virtute tua (Palmer & Burgess)
- In virtute tua (Dominican)
- In virtute tua (Solesmes)
- In virtute tua (Palmer & Burgess)
- In virtute tua (St Louis) (Solesmes)
- Invocabimus (Dominican)
- Invocabimus (Solesmes 1961)
- Invocabimus nomen (Solesmes)
- Invocabit Dominum (Dominican)
- Invocabit me (Solesmes)
- Invocabit me (Dominican)
- Invocabit me (Vatican)
- Invocabit me (Palmer & Burgess)
- Invocabo (Solesmes 1961)
- Invocabo nomen (Solesmes)
- Invocantem (Sandhofe)
- Invocavi Dominum (Solesmes 1957)
- Invocavi Dominum (In Tempore Paschali) (Solesmes 1934)
- Invocavit (Vatican)
- Invocavit (Solesmes)
- In voce exsultationis (Solesmes 1961)
- In voce exsultationis (Sandhofe)
- In voce jucunditatis (Dominican)
- In voluntate (Triplex)
- In voluntate (Solesmes)
- In voluntate (Palmer & Burgess)
- In voluntate (Dominican)
- In voluntate (Vatican)
- Ioannes apostolus et evangelista (Solesmes 2020)
- Ioannes autem (Verona)
- Ioannes autem (Solesmes 2000s)
- Ioannes autem cum audisset (Verona)
- Ioannes quidem (Verona)
- Ioseph, fili David (Solesmes 2000s)
- Ioseph fili David (Simplex)
- Ioseph fili David (Verona)
- Ipse enim Pater (Solesmes 1934)
- Ipse enim Pater (Solesmes)
- Ipse est directus (Vatican)
- Ipse est directus (Dominican)
- Ipse est directus (Solesmes)
- Ipse habet (Solesmes)
- Ipse Iesus (Solesmes 2000s)
- Ipse invocabit me (Dominican)
- Ipse invocabit me (Solesmes 1961)
- Ipse invocabit me (Nocturnale Vaticanum)
- Ipse invocabit me (Sandhofe)
- Ipse invocabit me (Solesmes 1936)
- Ipse invocabit me (Solesmes)
- Ipse Jesus (Solesmes 1934)
- Ipse Jesus (Dominican)
- Ipse Jesus erat incipiens (Solesmes)
- Ipse liberavit (Solesmes 1934)
- Ipse liberavit (Solesmes 1961)
- Ipse liberavit me (Solesmes)
- Ipse me coronavit (Sandhofe)
- Ipse me coronavit (Resp.) (Gregofacsimil)
- Ipse praeibit ante illum (Solesmes 1934)
- Ipse praeibit ante illum (Solesmes)
- Ipse praeibit ante illum (Solesmes 1961)
- Ipsi soli servo (Sandhofe)
- Ipsi soli servo (Solesmes)
- Ipsi sum desponsata (Dominican)
- Ipsi sum desponsata (Sandhofe)
- Ipsi sum desponsata (Sandhofe)
- Ipsi sum desponsata (Resp.) (Gregofacsimil)
- Ipsi vero (Solesmes 1934)
- Ipsi viderunt (Sandhofe)
- Ipsi viderunt (Nocturnale Vaticanum)
- Ipsum elegit Dominus (Solesmes)
- Ipsum nunc nobis (Solesmes)
- Ipsum nunc nobis tempus est (textus amplior) (Solesmes 1983)
- Ira justa conditoris (Sandhofe)
- Iratus rex Saul (Dominican)
- Israel potestas eius (Verona)
- Israel potestas eius (Solesmes 2000s)
- Ista est colúmba mea (Solesmes 1935)
- Ista est columba (Solesmes)
- Ista est columba (Solesmes 1961)
- Ista est columba (Dominican)
- Ista est quae contempsit (Solesmes 2000s)
- Ista est speciosa (Resp.) (Gregofacsimil)
- Ista est speciosa (S. Mulierum) (Solesmes 1961)
- Ista est speciosa (Virginum) (Solesmes 1961)
- Ista est speciosa (Virginum) (Solesmes 1934)
- Ista est Virgo (Dominican)
- Istarum est enim (Solesmes 1961)
- Istarum est enim (1934)
- Istarum est enim (Solesmes 1961)
- Istarum est enim regnum (Solesmes)
- Iste cognovit (Sandhofe)
- Iste cognovit (Sandhofe)
- Iste Confessor (Solesmes 1934)
- Iste confessor ()
- Iste confessor ()
- Iste confessor (I) (Dominican)
- Iste confessor (II) (Dominican)
- Iste confessor (IIa) (Dominican)
- Iste confessor (III) (Dominican)
- Iste Confessor (Conf. Bishop) 4 (Solesmes 1961)
- Iste Confessor (Conf. Bishop) 3 (Solesmes 1961)
- Iste Confessor (Conf. Bishop) 2 (Solesmes 1961)
- Iste Confessor (Conf. Bishop) 1 (Solesmes 1961)
- Iste Confessor (Conf. Bishop) (Solesmes 1961)
- Iste Confessor (Conf. Bishop) (another chant) (2) (Solesmes 1961)
- Iste Confessor (Conf. Bishop) (another chant) (Solesmes 1961)
- Iste Confessor (Conf non Pont in Duplicibus Minoribus) (Solesmes 1934)
- Iste Confessor (Conf. not Bishop) 8 (Solesmes 1961)
- Iste Confessor (Conf. not Bishop) 7 (Solesmes 1961)
- Iste Confessor (Conf. not Bishop) 6 (Solesmes 1961)
- Iste Confessor (Conf. not Bishop) 5 (Solesmes 1961)
- Iste Confessor (Conf. not Bishop) (Solesmes 1961)
- Iste Confessor (Conf. not Bishop) (another chant) (Solesmes 1961)
- Iste Confessor (Conf Pont in Duplicibus Majoribus) (Solesmes 1934)
- Iste Confessor (Conf Pont in Duplicibus Minoribus) (Solesmes 1934)
- Iste Confessor patriarcha (Solesmes 1957)
- Iste Confessor (Pro Doctoribus) (Solesmes 1934)
- Iste Confessor (St Joseph) (Annamitice)
- Iste Confessorum Domini (ad libitum) (Sandhofe)
- Iste Confessorum Domini (in Dominicis) (Sandhofe)
- Iste Confessorum Domini (in Feriis quartis) (Sandhofe)
- Iste Confessorum Domini (in Feriis quintis) (Sandhofe)
- Iste Confessorum Domini (in Feriis secundis) (Sandhofe)
- Iste Confessorum Domini (in Feriis sextis) (Sandhofe)
- Iste Confessorum Domini (in Feriis tertiis) (Sandhofe)
- Iste Confessorum Domini (in Sabbato) (Sandhofe)
- Iste Confessorum Domini (Stig. Francisci) (Sandhofe)
- Iste est frater vester (Sandhofe)
- Iste est frater vester minimus (Resp.) (Gregofacsimil)
- Iste est Ioannes cui Christus (Solesmes 2020)
- Iste est Joannes (Solesmes)
- Iste est Joannes (Solesmes 1934)
- Iste est Joannes (Sandhofe)
- Iste est Joannes (Solesmes 1961)
- Iste est Joannes (Dominican)
- Iste est Joannes (w/o Gloria Patri) (Sandhofe)
- Iste est Joannes (Resp.) (Gregofacsimil)
- Iste est qui ante Deum (Sandhofe)
- Iste est qui pro lege (Dominican)
- Iste homo perfecit omnia (gregofacsimil)
- Iste homo perfecit omnia (Sandhofe)
- Iste pauper (Verona)
- Iste puer (Solesmes 1934)
- Iste puer magnus (Solesmes 1961)
- Iste puer magnus (Dominican)
- Iste puer magnus (Solesmes)
- Iste quem laeti (Solesmes 2019)
- Iste quem laeti (Solesmes 1957)
- Iste quem laeti (Dominican)
- Iste quem laeti colimus (Solesmes)
- Iste sanctus (Dominican)
- Iste sanctus (Solesmes 1961)
- Iste sanctus (Dominican)
- Iste Sanctus pro lege (Solesmes)
- Iste Sanctus pro lege (Solesmes)
- Iste Sanctus pro lege (Solesmes)
- Iste sanctus pro lege (Sandhofe)
- Iste sanctus pro lege Dei (Dominican)
- Isti qui amicti sunt stolis (Sandhofe)
- Isti qui amicti sunt stolis (w/o Gloria Patri) (Sandhofe)
- Isti sunt agni (Solesmes)
- Isti sunt agni (Solesmes)
- Isti sunt agni novelli (Solesmes)
- Isti sunt agni novelli (Sandhofe)
- Isti sunt agni novelli (Sandhofe)
- Isti sunt dies (Sandhofe)
- Isti sunt dies (Resp) (Gregofacsimil)
- Isti sunt duae olivae (Dominican)
- Isti sunt duae olivae (Dominican)
- Isti sunt duae olivae (Solesmes)
- Isti sunt duae olivae (Dominican)
- Isti sunt duae olivae (Solesmes 1961)
- Isti sunt duae olivae (Antiphonale Solesmense 1935)
- Isti sunt duo filii (Solesmes 2000s)
- Isti sunt qui contempserunt (Dominican)
- Isti sunt qui venerunt (Sandhofe)
- Isti sunt qui venerunt (Dominican)
- Isti sunt qui venerunt (Nocturnale Vaticanum)
- Isti sunt qui viventes (gregofacsimil)
- Isti sunt qui viventes (Sandhofe)
- Isti sunt Sancti (Dominican)
- Isti sunt sancti (Solesmes 1961)
- Isti sunt Sancti qui non (Sandhofe)
- Isti sunt Sancti qui non (Resp.) (Gregofacsimil)
- Isti sunt Sancti qui passi sunt (Sandhofe)
- Isti sunt Sancti qui passi sunt (Resp.) (Gregofacsimil)
- Isti sunt Sancti qui pro Dei (Solesmes)
- Isti sunt sancti qui pro Dei (Alternative)
- Isti sunt sermones (Solesmes 1934)
- Isti sunt sermones (Solesmes)
- Isti sunt triumphatores (gregofacsimil)
- Isti sunt triumphatores (Sandhofe)
- Isti sunt triumphatores (Dominican (Jandel))
- Isti sunt viri... facti (Solesmes)
- Isti sunt viri... facti (Solesmes 1961)
- Isti sunt viri... quos elegit (Proprium Poloniae)
- Isti sunt viri... quos elegit ()
- Isti sunt viri... quos elegit (Solesmes 2000s)
- Isti sunt viri sancti (gregofacsimil)
- Isti sunt viri sancti (Sandhofe)
- Isti viventes in carne (Solesmes 2000s)
- Istorum est enim (Solesmes 1934)
- Istorum est enim (Solesmes 1961)
- Istorum est enim (Annamitice)
- Istorum est enim regnum (Solesmes)
- Istorum est enim regnum (Solesmes)
- Ita Missa Est...Alleluia (Dominican)
- Itaque quicumque manducaverit ()
- Ite I (Dominican)
- Ite Ia (Solesmes)
- Ite Ib (Solesmes)
- Ite I (forma ordinaria) (Solesmes)
- Ite II (Dominican)
- Ite IIa (Solesmes)
- Ite IIb (Solesmes)
- Ite III (Dominican)
- Ite IV (Solesmes)
- Ite IV (Dominican)
- Ite V (Solesmes)
- Ite V (Dominican)
- Ite VI (Dominican)
- Ite VI (Solesmes)
- Ite VII (Solesmes)
- Ite VIII (Solesmes)
- Ite IX (Solesmes)
- Ite X (Dominican)
- Ite XI (Annamitice)
- Ite XI (Solesmes)
- Ite XII (Solesmes)
- Ite XIII (Solesmes)
- Ite XIV (Solesmes)
- Ite XIX ()
- Ite XV/XVI (Solesmes)
- Ite ad Evangelium Domini ()
- Ite dicite (Dominican)
- Ite et vos (Dominican)
- Ite et vos (Solesmes 1961)
- Ite et vos in vineam (Solesmes)
- Ite in orbem universum (Sandhofe)
- Ite in orbem universum (Gregofacsimil)
- Ite in pace (Solesmes 2000s)
- Ite in pace alleluia (Solesmes 2000s)
- Ite in pace, alleluia (Ad Laudes) (Solesmes 2020)
- Ite in pace, alleluia (Ad Vesperas) (Solesmes 2000s)
- Ite in pace, glorificando ()
- Ite, missa est (Solesmes)
- Ite, missa est, alleluia, alleluia (Solesmes)
- Ite, missa est, alleluia, alleluia (Simplex)
- Ite Missa Regia (Solesmes 1961)
- Ite Missa Regia ()
- Ite (Missa Regia I) (plein-chant musical)
- Ite (Missa secundi Toni) (Solesmes)
- Ite (Missa Votiva BMV) (Solesmes)
- Ite nuntiate (Solesmes 2000s)
- Ite nuntiate (Verona)
- Ite nuntiate fratribus (Solesmes)
- Ite nuntiate fratribus (Solesmes 1934)
- Iter faciente (Dominican)
- Iter faciente (Solesmes 1934)
- Iter faciente Jesu (Solesmes 1961)
- Iter faciente Jesu (Solesmes)
- Iterum (Dominican)
- Iterum autem videbo (Solesmes 1934)
- Iterum autem videbo (Verona)
- Iterum videbo vos (Mode 1d) (Verona)
- Iterum videbo vos (Mode 6f) (Verona)
- Itse quem laeti (Solesmes 1957)
- Iubilate Deo (Solesmes 1981)
- Iubilate Deo (Verona)
- Iubilate Deo (Simplex)
- Iubilate Deo ()
- Iubilate Deo (99) ()
- Iubilate Deo in voce (Simplex)
- Iubilate Deo omnis (Offertoriale 1935)
- Iubilate Deo universa (Offertoriale 1935)
- Iubilate Deo universa terra (Solesmes)
- Iubilemus Deo (Solesmes)
- Iucundare (Verona)
- Iucundare (Solesmes 2000s)
- Iucunditatem et exsultationem ()
- Iucunditatem et exsultationem ()
- Iucundus homo (Verona)
- Iucundus homo (Solesmes 2000s)
- Iudaea et Ierusalem (Verona)
- Iudaea et Ierusalem (Solesmes 2000s)
- Iudica causam meam (Verona)
- Iudica causam meam (Simplex)
- Iudicasti Domine (Verona)
- Iunior fui et senui (Verona)
- Iuravit Dominus (Solesmes 2000s)
- Iuravit Dominus (Verona)
- Iuste et pie (Solesmes 2000s)
- Iuste et pie (Verona)
- Iuste et pie (Solesmes)
- Iuste iudicate (Verona)
- Iusti autem ()
- Iusti autem (Solesmes 2000s)
- Iusti confitebuntur (Simplex)
- Iusti confitebuntur (Simplex)
- Iusti confitebuntur (Verona)
- Iustis germinabit (OCO 2015)
- Iustitia cingulum (Proprium Poloniae)
- Iustitiae Domini (Offertoriale 1935)
- Iustorum animae ()
- Iustus es (Verona)
- Iustus es Domine (Solesmis)
- Iustus et sanctus (Verona)
- Iustus germinabit (Solesmes 2000s)
- Iustus germinabit (Solesmes 2000s)
- Iustus germinabit (Tempore paschali) (Solesmes 2000s)
- Iustus non conturbabitur (Verona)
- Iustus ut palma (Simplex)
- Iustus ut palma (Offertoriale 1935)
- Iuxta est salus (Verona)
- Iuxta est salus mea (Solesmes 2000s)