TY  - BOOK
AU  - Muris, Johannes de
AU  - Page, Christopher
TI  - The Summa musice : a thirteenth century manual for singers
SN  - 9780521404204
SN  - 91008948
U1  - 782.3222 SUS 
PY  - 1991///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Gregorian chants - Instruction and study - Early works to 1800
KW  - Music theory - Early works to 1800
KW  - Singing - Instruction and study - Early works to 1800
N1  - Formerly misattributed to Johannes de Muris. Includes bibliographical references (p. 237-243) and index
ER  -