A Field Guide to the Trees of Britain and Northern Europe

Mitchell, Alan

Botanica's Pocket Orchids

Holliman, Joanne [Editor]

RSPB Guide to Birdsong

Thomas, Adrian

Birds of Cyprus. Helm Field Guides

Richardson, Colin and Richard Porter

Latvijas Putni

Klimpins, Viesturs

Studies on the Avifauna of Spitsbergen

Lovenskiold, H.L.

Bird Recognition 2: Birds of Prey and Waterfowl

Fisher, James

Where to Watch Birds in France

Barnagaud, Jean-Yves, Nidal Issa, Sebastien Dalloyau

British Birds

Morris, Rev. F.O.

The Butterflies of Britain & Ireland

Thomas, Jeremy; Richard Lewington

Birds of Europe

Jonsson, Lars

A History of the Birds of Hertfordshire

Sage, Bryan L.