Diehl, George Karl
Diehl, George Karl. 1980. The Illuminated Music Books of a Renaissance Merchant. Studies in Musicology in Honor of Otto E. Albrecht, Kassel, Basel, and London.
Diehl, George Karl. 1974. The Partbooks of a Renaissance Merchant. Cambrai: Bibliothèque municipale, MSS 125-128. University of Pennsylvania, Unpublished Ph.D. dissertation.