Bibliography : Caladrius
| Janetta Rebold Benton | Medieval Menagerie: Animals in the Art of the Middle Ages |
| John Cherry, ed. | Mythical Beasts |
| Anne Clark | Beasts and Bawdy |
| Arthur H. Collins | Symbolism of Animals and Birds Represented in English Church Architecture |
| Michael J. Curley | Physiologus |
| Victor Henry Debidour | Le Bestiaire Sculpté du Moyen Age en France |
| Rodney Dennys | The Heraldic Imagination |
| George C. Druce | The Caladrius and its legend, sculptured upon the twelfth-century doorway of Alne Church, Yorkshire |
| Xenia Muratova | Animal Symbolism and Its Interpretations in the Pictorial Programmes of the Illuminated Bestiaries |
| Ann Payne | Medieval Beasts |
| Paul Spilsbury | The Concordance of Scripture: The homiletic and exegetical methods of St Antony of Padua |
| Kenneth Varty | Reynard the Fox. A Study of the Fox in Medieval English Art |
| Leo Wiener | Contribution Towards a History of Arabico-Gothic Culture, Volume IV: Physiologus Studies |
