COCKER, Mark; MABEY, Richard
Where to Watch Birds in Yorkshire including the former North Humberside
Mather, John R.
Field Guide to the Birds of the Atlantic Islands: Canary Islands, Madeira, Azores, Cape Verde
Birds in England
Brown, Andy and Phil Grice
The Blackcap and the Garden Warbler
Tyler, S.; Ormerod, S.
Bird Habitats in Britain
Fuller, Robert J.
Rare Birds in Britain and Ireland
Dymond, J. N.; Fraser, P. A.; Gantlett, S. J.
Rare Birds Day by Day
Dudley, Steve; Benton, T. J.; Fraser, P. A.; Ryan, J. F.
Illustrations by NURNEY, David
Birds of the Middle East and North Africa: A Companion Guide
Hollom, P.A.D.; Porter, R. F.; Willis, Ian; Christensen, S.
Illustrations by Willis, Ian
Important Bird Areas in Europe
Grimmett, Richard; Jones, T.A.