1. University of Pennsylvania, Oversize LJS 47 Title: De institutione musica Author: Boethius Place: France Date: 1490
2. University of Pennsylvania, Oversize Ms. Codex 1081 Title: De consolatione philosophiae Author: Boethius Place: Spain Date: 1466.
3. Free Library of Philadelphia, Lewis E 2 Title: De consolatione philosophiae Author: Albertus Magnus and Boethius Place: Germany Date: 1400-1499