Willi Apel

French secular music of the late fourteenth century

Harvard dictionary of music

Harvard Brief Dictionary of Music Dictionary

The history of keyboard music to 1700

The notation of polyphonic music, 900-1600

The Harvard Brief Dictionary of Music

Gregorian Chant (A Midland Book, Mb 601)

La notation de la musique polyphonique, 900-1600

Die Notation der polyphonen Musik 900 - 1600

French Secular Music of the Late 14th Century

Historical Anthology Of Music

Keyboard Music of the 14th and 15th Centuries

Early European keyboard music

Sources, Musical, Prior To 1450

Editions, Historical

Periodicals, Musical