Birds of the southwest Pacific, a field guide to the birds of the area between Samoa, New Caledonia, and Micronesia,

Mode of access: Internet.

Guide to the birds of Samoa.

Bibliography: leaf 21.

Land manager's guide to the birds of the South /

Bird habitat matrices on accompanying computer diskette issued in pocket inside back cover.

A guide to the birds of the Pacific coast /

Mode of access: Internet.

A Field guide to the wetlands of Illinois.

Includes index.

A Field guide to the wetlands of Illinois.

Includes index.

The status of the beavers of western North America with a consideration of the factors in their speciation ...

Pub. also as University of California publications in zoology, v. 12, no. 15, March 20, 1916.

A laboratory and field guide to the natural history of vertebrates (except birds) /

"References" included.

Bird-life : a guide to the study of our common birds /

At head of title: Popular edition in colors.

Bird-life : a guide to the study of our common birds /

"Popular edition in colors."

Bird-life : a guide to the study of our common birds /

Includes bibliographical references.

"Every bird" a guide to the identification of the birds of woodland, beach and ocean. With one hundred and twenty-four line illustrations

Mode of access: Internet.

Bird-life; a guide to the study of our common birds,

"Appendix: For the use of teachers" v, 88 p.

Lessons on country life; a guide to the study of the animals of the farm, their habits, uses and treatment, together with notes on the wild animals, wild birds, and injurious insects common to our woods and fields. Arranged in eighty lessons for the use of teachers, farmers & others interested in country life,

Mode of access: Internet.

Bird-life; a guide to the study of our common birds, With seventy-five full-page colored plates after drawings by Ernest Seton-Thompson.

At head of title: Popular edition in colors.