History - Ipse est directus
Nov 14, 2018 (SirPL)
Added reference to Liber Usualis
sources
[{"chant_id":"1094","source":"2","page":"566","sequence":"1","extent":"1"},{"chant_id":"1094","source":"3","page":"1581","sequence":"1","extent":"2"}]
Added reference to Liber Usualis
sources
[{"chant_id":"1094","source":"2","page":"566","sequence":"1","extent":"1"},{"chant_id":"1094","source":"3","page":"1581","sequence":"1","extent":"2"}]