Handbook of the Birds of Europe, the Middle East, and North Africa. Volume 7.
Cramp, Stanley; Perrins, Christopher M.
Gronlands Fugle/The Birds of Greenland
Salomonsen, Finn & Gitz-Johansen
Multimedia Identification Guide to North Atlantic Seabirds: Pterodroma Petrels
Flood, Bob, and Ashley Fisher
The Birds of the Balearics
Bannerman, David A. and W. Mary Bannerman
The Year of the Greylag Goose
A Field Guide to Birds of the USSR Including Eastern Europe and Central Asia
Flint, V.E.; Et al.
Moult and Ageing of European Passerines, Second Edition
Jenni, Lukas and Raffael Winkler
Birds of the Eurasian Tundra
A Birdwatching Guide to the Netherlands
A Birdwatching Guide to North East Germany and its Baltic Coast, Revised edition
Birds of Mongolia [Princeton Field Guides]
Sundev, Gombobaatar and Christopher W. Leahy
Coloured Figures of the Birds of the British Islands