Atkinson, Charles Monte. 2001. The Other Modus: On the Theory and Practice of Intervals in the Eleventh and Twelfth Centuries. The Study of Medieval Chant: Paths and Bridges, East and West: In Honour of Kenneth Levy, edited by Peter Jeffery, 233-56. Woodbridge: Boydell Press.

Atkinson, Charles Monte (ed.) 1975-. Recent Researches in the Music of the Middle Ages and Early Renaissance.  Madison, Wisconsin: A-R Editions.

Atkinson, Charles Monte (ed.) 1975-. Recent researches in the music of the Middle ages and early Renaissance. .  Madison (Later: Middleton), Wisconsin: A-R Editions.