History - Sacerdos et Pontifex... sic
Apr 20, 2022 (Jacques Perriere)
removing source Liber Antiphonarius and mode ending
mode_var
D
sources
[{"chant_id":"2140","source":"3","page":"1840","sequence":"23","extent":"2"},{"chant_id":"2140","source":"5","page":"137","sequence":"1","extent":"1"},{"chant_id":"2140","source":"48","page":"[55]","sequence":"1","extent":"1"}]