Avian osteology by Gilbert, B. Miles

The backyard bird-lover's guide by Mahnken, Jan

An overview of the world's Ramsar sites by Frazier, Scott

The book of Indian birds by Ali, Salim I.

The economics of broiler contract growing in Iloilo by Leda, Robert D. .

The complete encyclopedia of birds outlines the variety of breeds and their habitats from around the world by Bejcek, Vladimir

Bird life of woodland and forest by Fuller, Robert J.

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Birding

State names, seals, flags, and symbols a historical guide by Shearer, Benjamin F.

Cites identification guide- birds guide to the identification of bird species controlled under the convention on international trade in endangered species of wild fauna and flora.