Günther, Ursula. 1990. Polymetric Rondeaux from Machaut to Dufay: Some Style-Analytical Observations. Studies in Musical Sources and Styles: Essays in Honor of Jan La Rue, edited by Eugene K Wolf and Edward H. Roesner, 75-108. Ann Arbor: A-R Editions.

Roesner, Edward H, and Eugene K Wolf. 1990. The Emergence of Music Mensurabilis. Studies in Musical Sources and Style: Essays in Honor of Jan LaRue, edited by Edward H. Roesner, 41-74. Madison: A-R Editions.

Wolf, J.K, and Eugene K Wolf. 1990. Rastrology and its Use in Eighteenth-Century Manuscript Studies. Studies in Musical Sources and Style: Essays in Honor of Jan LaRue,, edited by Eugene K Wolf and Edward H. Roesner, 237-291. Madison.