Book Yapp, Brunsdon; (1981)
Birds in medieval manuscripts (/isis/citation/CBB000026800/)

Article Van den Abeele, Baudouin; (1999)
L'empereur et la philosophie: L'utilisation de la zoologie d'Aristote dans le De arte venandi cum avibus de Frédéric II de Hohenstaufen (1194-1250) (/isis/citation/CBB000111346/)

Book Fouilloy, Hugues de; (2004)
De avibus, Traité des oiseaux: Fac-similé du manuscrit 177 de la Médiathèque de l'Agglomération troyenne (/isis/citation/CBB000640544/)

Book Walz, Dorothea; (1994)
Das Falkenbuch Friedrichs II. [Austellung der Württembergischen Landesbibliothek zum 800. Geburtstag des Stauferkaisers am 26. Dezember 1994] (/isis/citation/CBB000067887/)

Article Yapp, W. B.; (1982)
Birds in captivity in the Middle Ages (/isis/citation/CBB000025962/)

Chapter Abeele, Baudouin van den; (1995)
Inspirations orientales et destinées occidentales du De arte venandi cum avibus de Fédéric II (/isis/citation/CBB000069749/)

Article Lutz, Cora E.; (1979)
Some medieval impressions of the ostrich (/isis/citation/CBB000004400/)

Article Kitson, P.R.; (1997)
Old English bird-names (/isis/citation/CBB000079201/)

Article Bourne, W. R. P.; (2007)
South European Birds in the Sherborne Missal (1396--1415) (/isis/citation/CBB000774091/)

Book Frederick II, ; ([1988])
L'universo degli uccelli: Il trattato di ornitologia del grande imperatore naturalista Federico II di Svevia. Presentazione di Mainardi, Danilo. Introduzione storica di Tardioli, Franco. Commento al codice di Frugis, Sergio Maria. Riflessione finale di Giannella, Salvatore (/isis/citation/CBB000043686/)

Article García Ballester, Luis; (1975)
The Epistola Aquilae Symachi et Theodotionis ad Ptolomeum regem Aegypti de avibus nobilibus and its 14th-century Catalan version (/isis/citation/CBB000015382/)

Article Yapp, W.B.; (1987)
Medieval knowledge of birds as shown in bestiaries (/isis/citation/CBB000041042/)

Article Yapp, W. B.; (1983)
The illustrations of birds in the Vatican manuscript of De arte venandi cum avibus of Frederick II (/isis/citation/CBB000004763/)

Book Bingen, Hildegard von; (1994)
Das Buch von den Vögeln. Nach den Quellen übersetzt und erlauterte von Riethe, Peter (/isis/citation/CBB000039828/)

Chapter Abeele, Baudouin van den; (1994)
Illustrer une thérapeutique des oiseaux de chasse: Les manuscrits enluminés du Moamin latin (/isis/citation/CBB000054629/)

Article Yapp, W. B.; (1979)
The birds of English medieval manuscripts (/isis/citation/CBB000002267/)

Article B.J. Gill; (2007)
Mr St John's Collection of Mounted Brids from Nelson, New Zealand, c.1856 (/isis/citation/CBB932156480/)

Article Kristoffer Whitney; (2020)
Valuing Shorebirds: Bureaucracy, Natural History, and Expertise in North American Conservation (/isis/citation/CBB978624329/)

Book Durant, Mary B.; Harwood, Michael; (1980)
On the road with John James Audubon (/isis/citation/CBB000007975/)

Book Ian J. Mason; Gilbert H. Pfitzner; (2020)
Passions in ornithology: A century of Australian egg collectors (/isis/citation/CBB993195850/)