The Birds of Paradise: Paradisaeidae (Bird Families of the World)
Frith, Clifford B.; Beehler, Bruce M.
Illustrations by Cooper, William T.
Pipits and Wagtails
Alstrom, Per; Mild, Krister
Illustrations by Woodcock, Martin
Eagles, Hawks and Falcons of the World
BROWN, Leslie and Dean AMADON.
Woodpeckers: An Identification Guide to the Woodpeckers of the World
Winkler, Hans, with David A. Christie and David Nurney
Curassows and Related Birds
DELACOUR, Jean and Dean AMADON.
Illustrations by Albert Earl Gilbert, George Miksch Sutton, and David Reid-Henry
The Howard and Moore Complete Checklist of the Birds of the World, Third edition
Dickinson, Edward C., Editor
Pheasants, Partridges, and Grouse: A Guide to the Pheasants, Partridges, Quails, Grouse, Guineafowl,
Madge, Steve; Kirwan, Guy M.; Mcgowan, Philip J.K.
Sunbirds : A Guide to the Sunbirds, Flowerpeckers, Spiderhunters and Sugarbirds and of the World
Cheke, Robert A.; Mann, Clive F.
Birds of the World: Game Birds
The Grouse of the World
Johnsgard, Paul A.
Parrots of the World
FORSHAW, Joseph M. and William T. COOPER