Raptor survey and inventory

Reallexikon Der Germanischen Altertumskunde

Johannes Hoops

Bird guide

Chester A. Reed

Birds of prey

J. A. Jance

Birds that hunt and are hunted

Neltje Blanchan

Eagle & Birds of Prey

Jemima Parry-Jones

Birds of prey

John Bonnett Wexo

Falconry in the British Isles

Francis Salvin

The illustrated wildlife encyclopedia Nature's predators

Bright, Michael.

Peregrine Falcons

Melissa Hill

Hawksmaid

Kathryn Lasky