TY  - BOOK
AU  - Wyatt,E.G.P.
TI  - St. Gregory and the Gregorian Music
AV  - ML 
PY  - 2010///
PB  - Project Gutenberg
KW  - Gregory I, Pope, approximately 540-604
KW  - Gregorian chants -- History and criticism
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/31582
ER  -