Falconidae
Der Baumfalke
Dietrich Fiuczynski
Studies of the American Falconidae
Robert Ridgway
Eagles and eagle-like vultures of the Pleistocene of Rancho La Brea
Hildegarde Howard
Ornithological synonyms.
Hugh Edwin Strickland
Outlines of a natural arrangement of the Falconidae
Robert Ridgway
Notes on the surface features of the Colorado or front range of the Rocky mountains
F. V. Hayden
Washi taka, hayabusa shikibetsu zukan
Hirozō Maki
Our birds of prey
Henry G. Vennor
Le bouquetin dans les Alpes
Andrea Rauch
Biology of the peregrine and gyrfalcon in Greenland
William A. Burnham
Recovery plan for the Florida population of Audubon's crested caracara
U.S. Fish and Wildlife Service. Region 4.
descriptive catalogue of the raptorial birds in the Norfolk and Norwich Museum
J. H. Gurney
Catalogue of the ornithological collection in the museum of the Society.
Robert Ridgway