History - Nos Autem
Apr 13, 2017 (Olivier Berten)
Fix source
remarks
Source is not available on the droplist. It's Graduale Cisterciense, Westmalle 1934, pages 179-180. Please add it if possible, I'll be uploading more from this book.
sources
[{"chant_id":"7824","source":"26","page":"179","sequence":"1","extent":"2"}]