Howard, Donald R.

Bloomfield, Morton W, Bertrand-Georges Guyot, Donald R. Howard, and Thyra B. Kabealo (editors). 1979. Incipits of Latin Works on the Virtues and Vices, 1100-1500 A.D., Including a Section of Incipits of Works on the Pater Noster.  Cambridge MA: Mediaeval Academy of America.