A field guide to the birds of South-East Asia

by Robson, Craig
Published 2002

The book of Indian birds

by Ali, Salim I.
Published 1996

Birding

Published 1994

The birds of the Philippines an annotated checklist

by Dickinson, Edward C.
Published 1991

The birds of the Philippines an annotated check-list

by Dickinson, Edward C., Kennedy, Robert S., Parkes, Kenneth C.
Published 1991

Birds of the Philippines

by Gonzales, Pedro C.
Published 1988

Birds of the Philippines

by Gonzales, Pedro C.
Published 1988

A Guide to the birds of Panama

by Ridgely, Robert S.
Published 1976

The birds of Britain and Europe with North Africa and the Middle East

by Heinzel, Hermann
Published 1972

Philippine birds.

by DuPont, John Eleuthere
Published 1971