Documents APEL, Willi • The Notation of Polyphonic Music. 900-1600 (1949) (facsimile on music notation)

THE MEDIAEVAL ACADEMY OF AMERICA PUBLICATION NO. 38 THE NOTATION OF POLYPHONIC MUSIC 900-1600 THE NOTATION OF POLYPHONIC MUSIC 900-1600 By WILLI APEL Fourth edition Revised…