The Blue Vesper: Ecology and Conservation of the Red-Footed Falcon
Palatitz, Peter, Szabolcs Solt and Peter Fehervari, Editors
Birds of Prey of the West: Field Guide
Birds of Prey of the Northeast: Field Guide
The Wind Masters: The Lives of North American Birds of Prey
Illustrations by Butler, Edward M.
Manual of Neotropical Birds Volume 1
Blake, Emmet Reid
A Field Guide to Hawks North America
Clark, William S.; Brian K. Wheeler
The Raptors of North America: A Coloring Book of Eagles, Hawks, Falcons, and Owls
Price, Anne; Illustrations by Donald Malick
Migrating Raptors of the World: Their Ecology and Conservation
BILDSTEIN, Keith L
Birds of Prey in the American West
Glinski, Richard L.
Illustrations by Vezo, Tom
The Birds of Prey of Australia: A Field Guide to Australian Raptors
Eleonora's Falcon: Adaptations to Prey and Habitat in a Social Raptor
Eagles, Hawks and Falcons of the World. Two volumes.
BROWN, Leslie and Dean AMADON.