Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1959)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1961)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1965)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Snake River birds of prey research project : annual report, 1976 - United States. Bureau of Land Management. (The District, 1977)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1902)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1904)

SOSC 149/POBSP 6 - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1965)

SOSC 204/POBSP 8 - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1965)

SOSC 269/POBSP 11 - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1966)

SOSC 327/POBSP 13 - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1967)

SOSC 70/POBSP 3, part 4 - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1964)

South Pacific birds - Du Pont, John E. (John Eleuthère), 1938 -2010 (Delaware Museum of Natural History, 1976)

The Southern headwaters at risk project : a multi-species conservation strategy for the headwaters of the Oldman River - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Data and Species at Risk Section, 2004)

Spacing behaviour of breeding buffleheads (Bucephala albeola) on ponds in the southern boreal forest - Donaghey, Richard Hallam. (University of Alberta, Dept. of Zoology, 1975)

Special papers - Ohio Academy of Science. (The Academy, 1903)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1949)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1950)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1952)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1961)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1962)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1964)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1966)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1967)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1969)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1970)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1972)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1973)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1975)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1979)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1980)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1981)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1982)