History - Exsurge Domine

Jul 28, 2019 (nokel81)

Added source

sources
[{"chant_id":"30","source":"2","page":"274","sequence":"1","extent":"1"},{"chant_id":"30","source":"3","page":"1358","sequence":"2","extent":"1"},{"chant_id":"30","source":"3","page":"835","sequence":"1","extent":"1"}]