History - Benedicam Dominum

Dec 03, 2013 (Mark)

added source

sources
[{"chant_id":"4012","source":"7","page":"136","sequence":"1","extent":"1"},{"chant_id":"4012","source":"7","page":"157","sequence":"2","extent":"1"},{"chant_id":"4012","source":"10","page":"256*","sequence":"1","extent":"1"}]