History - Procedamus in pace
Jul 10, 2020 (Sarrpa)
Added Ver. Alt: In nómine Chrísti. Amen. and additional references.
remarks
"Dominica in Palmis Processionale"
Graduale Romanum, Solesmes, 1908, p.159
Dominica Palmarum, Solesmes, 1930, p.26
Processionale Monasticum, Solesmes, 1893, p.54
Rituale Romanum, Vatican, 1925, p.282, 286*
Rituale Romanum, Vatican, 1927, p.310, 314*
*Titulus IX: De Processionibus; Caput II et Caput III.