Seminars In Ornithology: A Home Study Course in Bird Biology

Produed by the Laboratory of Ornithology, Cornell University in collaboration with Andrew J. Berger, Richard Brewer, William W. cochran, Millicent S. Ficken, Herbert Krause, Douglas A. Lancaster, Kenneth C. Parkes, Olin Sewall Pettingill, Jr., D. Jean Tate, and James Tate, Jr.