Title: Hucbald, Guido, and John on music : three medieval treatises /
Authors: Babb, Warren.; Palisca, Claude V.; Hucbald, -930.; Guido,; Johannes, active approximately 1100.
Publisher: Yale University Press,
Year: 1978
Subjects: Music theory History; Music theory Early works to 1800.
Contents: Hucbald, Melodic instruction (De harmonica institutione) -- Guido of Arezzo, Micrologus -- John, On music (De musica).