Merritt, A. Tillman Sixteenth-century polyphony, a basis for the study of counterpoint, by Arthur Tillman Merritt. - Cambridge, Mass., Harvard University Press [c1967] - xvii, 215 p. illus. (music) 23 cm. "Sources and bibliography": p. [209]-215. Subjects--Topical Terms: Counterpoint.Music theory--16th-17th centuries.