| Clement C.J. Webb |
Introduction of Aristotelian learning to Oxford. Volume XXIX, by D. A. Callus |
|
13/, p. 84 |
| Beryl Smalley |
Sententiæ Petri Pictaviensis II². (Publications in Mediaeval Studies II), by Philip S. Moore, Joseph N. Garvin, Marthe Dulong |
|
21/, p. 104 |
| Henrietta Leyser |
The Letters of Peter the Venerable. Harvard Historical Studies LXXVIII, Vol. I. Vol. II, by Giles Constable |
|
38/2, p. 181 |