Bibliography : Cambridge University Library, Kk. 4. 25
| Ron Baxter | Bestiaries and their Users in the Middle Ages |
| George C. Druce | On the Legend of the Serra or Saw-Fish |
| Margaret Rickert | Painting in Britain: the Middle Ages |
Bibliography : Cambridge University Library, Kk. 4. 25
| Ron Baxter | Bestiaries and their Users in the Middle Ages |
| George C. Druce | On the Legend of the Serra or Saw-Fish |
| Margaret Rickert | Painting in Britain: the Middle Ages |