The mediaeval modes : their melody and harmony for the use of the modern composer - Richardson, A. Madeley (Alfred Madeley), 1868-1949. (Westport, Conn. : Hyperion Press, 1979)
Reprint of the ed. published by H. W. Gray Co., New York.
Keywords: Musical intervals and scales; Music theory -- History -- 500-1400.; Aesthetics, Medieval; Melody; Harmony