De differentiis topicis
| Author(s) | Title | Reference | |
|---|---|---|---|
| TERENCE McCARTHY | Literary practice in eleventh-century music theory: the colores rhetorici and Aribo’s De musica | 71/2, p. 191 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| OSMUND LEWRY | Robert Kilwardby, O.P., De Ortu Scientiarum. (Auctores Britannia Medii Aevi IV). The Pontifical Institute of Mediaeval Studies, by Albert G. Judy | 47/2, p. 330 |