Oklahoma Breeding Bird Atlas [HC]
Reinking, Dan L.
Index of the Books and Authors Cited in the Zoological Works of Linnaeus
Heller, John L.
Bibliography of Brazilian Birds: 1500-2002
Oniki, Yoshika; Willis, Edwin O.
Index of Genera and Species Referred to, and an Index to the Plates, in 'The Ibis' (First Through Tw
SALVIN, Osbert; Sclater, William Lutley (editors)
Dictionary of Birds
The Mitchell Beazley World Atlas of Birds
Bramwell, Martyn et al
The Audubon Society Encyclopedia of North American Birds
Terres, John K.
The Eponym Dictionary of Birds
Beolens, Bo; Watkins, Michael; Grayson, Michael
Birds of Ontario: Habitat Requirements, Limiting Factors, and Status. V2: Shorebirds to Woodpeckers
The Birds of Borneo [Third edition]
SMYTHIES, Bertram E.
The Birds of Borneo [First edition]