History - Qui operatus est
Sep 09, 2019 (nokel81)
Added Liber Usualis as source
sources
[{"chant_id":"1347","source":"2","page":"418","sequence":"1","extent":"2"},{"chant_id":"1347","source":"3","page":"1345","sequence":"1","extent":"2"}]
Added Liber Usualis as source
sources
[{"chant_id":"1347","source":"2","page":"418","sequence":"1","extent":"2"},{"chant_id":"1347","source":"3","page":"1345","sequence":"1","extent":"2"}]