P. A. D.

A Field Guide to the Birds of Britain and Europe (Collins Field Guide)

By Peterson, Roger Tory, Mountfort, Guy, Hollom, P. A. D.

Collins Field Guide – Birds of Britain and Europe

By Peterson, Roger Tory, Mountfort, Guy, Hollom, P. A. D.

Popular Handbook of British Birds

By Hollom, P. A. D.