A Field Guide to the Birds of China
The Birds of Britain and Europe with North Africa and the Middle East
HEINZEL, Hermann, Richard FITTER and John PARSLOW.
Swifts in a Tower
Handbook of Western Palearctic Birds: Passerines. Two-volume set
Shirihai, Hadoram and Lars Svensson
Review of the Genus Cisticola
LYNES, Rear-Admiral H.
S Systematic Review of the Genus Phylloscopus (Willow-Warblers ofr Leaf-Warblers)
Ticehurst, Claud B.
On the Birds of Southern Tibet [Ibis 1906]
Walton, Captain H.J.
Illustrations by Keulemans, J.G.
Handbook of the Birds of Cyprus and Migrants of the Middle East
Bannerman, David A. & W. Mary Bannerman
Collins Guide to the Birds of Prey of Britain and Europe
Heligoland as an Ornithological Observatory: The Result of Fifty Years' Experience
Identification for Ringers
Birds of Oman: Helm Field Guides
Eriksen, Jens and Richard Porter