Walter Giffard
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.A.W. Bennett | A Bibliographical Register of the University of Oxford to A.D. 1500, Vols. II and III, by A. B. Emden | 32/2, p. 167 | |
| K.B. McFarlane | A Biographical Register of the University of Cambridge to 1500, by A. B. Emden | 34/2, p. 178 |