John of Salisbury
| Author(s) | Title | Reference | |
|---|---|---|---|
| Clement C.J. Webb | Introduction of Aristotelian learning to Oxford. Volume XXIX, by D. A. Callus | 13/, p. 84 | |
| Stephen Gersh | Porphyry the Phoenician: Isagoge, (Mediaeval Sources in Translation 16), by Edward W. Warren | 46/2, p. 286 |