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Christopher M. Perrins

Stand Alone

The Birds of the Western Palearctic; Volume 1 Non-Passerines
The Birds of the Western Palearctic; Volume 2 Passerines
The Encyclopedia of Birds
The Encyclopedia of birds
Firefly encyclopedia of birds
The Illustrated encyclopedia of birds
Birds
Bird Life An Introduction to the World of Birds
Bird Life An Introduction to the World of Birds
Die Welt der Vögel Evolution, Körperbau, Verhalten
The Illustrated Encyclopedia of Birds: The Definitive Reference to Birds of the World
Illustrated Encyclopedia of Birds The Definitive Reference to Birds of the World
Encyclopedia of birds
The Illustrated encyclopedia of birds: the definitive reference to birds of the world
The Encyclopedia of Birds