Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Results of a biological survey of the San Francisco Mountain region and desert of the Little Colorado, Arizona - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1890)

Results of a biological reconnoisance of the Yukon river region. General account of the region. Annotated list of mammals - Osgood, Wilfred Hudson, 1875 -1947 (Govt. Print. Off, 1900)

Results of a biological reconnoissance of the Yukon River region - Osgood, Wilfred Hudson, 1875 -1947 (G.P.O, 1900)

Results of the Archbold Expeditions. No. 73, Birds of the Archbold Biological Station, Lake Placid, Florida - Amadon, Dean (American Museum of Natural History, 1956)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1918)

A review of Prof. George H. Perkins' "A preliminary list of the birds found in Vermont" - Howe, Reginald Heber, Jr. 1875 -1932 (s.n.], 1902)

A review of the birds of Connecticut - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Tuttle, Morehouse & Taylor, Printers, 1877)

A revised catalogue of the birds of Kansas : with descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

A revised catalogue of the birds of Kansas. With descriptive notes of the nests and eggs of the birds known to breed in the state - Goss, N. S. (Nathaniel S.) (Kansas Publishing House, 1886)

Revised land and resource management plan, Ouachita National Forest, Arkansas and Oklahoma - United States. Forest Service. Southern Region. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 2005)

Revised list of birds of Central New York - Rathbun, Frank R., (Harvard local name) (Daily Advertiser and Weekly Journal Book and Job Printing House, 1879)

A revised list of Cincinnati birds - Langdon, Frank Warren, 1852 -1933 (Barclay, 1879)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1898)

Revista do Museu Paulista - Museu Paulista (O Museu, 1938)

Revue des sciences naturelles appliquées - Société nationale d'acclimatation de France (La Société, 1889)

Revue française d'ornithologie - Société ornithologique et mammalogique de France. (L. Denise, 1911)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1862)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2010)

Richard Schomburgk's travels in British Guiana, 1840-1844 - Schomburgk, Richard, 1811 -1891 ("Daily Chronicle" Office, 1922)

Rio Blanco Oil Shale Project. Tract C-a / [c]by Rio Blanco Oil Shale Project. no.8, Progress report - CDM/Limnetics. (Rio Blanco Oil Shale Project, 1974)

Riverby - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1895)

Riverby - Burroughs, John, 1837 -1921 (Houghton, Mifflin and Company, 1895)

Robb/Ledford Wildlife management area : draft management plan - Montana. Department of Fish, Wildlife,; Parks (Montana Fish, Wildlife & Parks, 1999)

Rock River area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1996)

Roosevelt wild life annals - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (Roosevelt Wild Life Forest Experiment Station, 1932)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1923)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1930)

Roosevelt wild life bulletin ... of the Roosevelt Life Forest Experiment Station of the New York College of Forestry at Syracuse University - New York State College of Forestry at Syracuse University. Roosevelt Wild Life Forest Experiment Station. (The University, 1931)

Rough notes and memoranda relating to the natural history of the Bermudas - Hurdis, John L. (R.H. Porter, 1897)

Rural bird life : being essays on ornithology with instructions for preserving objects relating to that science - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1880)

Rural bird life of England : being essays on ornithology, with instructions for preserving objects relating to that science - Coues, Elliott, 1842 -1899 (Werner Co, 1899)

Sagebrush conservation strategy : challenges to sagebrush conservation - U.S. Fish; Wildlife Service (U.S. Geological Survey, 2021)

San Francisco Zoological Gardens master plan : draft environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1997)

San Francisco Zoological Gardens master plan : final environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1998)

The San Joaquin experimental range - Kotok, E. I. 1888 -1966 (Agricultural Experiment Station, 1942)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 1997)

Sandgrouse - Ornithological Society of the Middle East. (OSME, 2005)

Saskatoon Island Provincial Park management plan - Alberta. Alberta Environmental Protection. Natural Resources Service. (Alberta Environmental Protection, Natural Resources Service, 1998)

Die Säugethiere, Vögel und Amphibien nach ihrer geographischen Verbreitung tabellarisch zusammengestellt - Pompper, Hermann (Verlag der J.G. Hinrichsichen Buchhandlung, 1841)

Science - American Association for the Advancement of Science. ([s.n.], 1886)

Science - American Association for the Advancement of Science. ([s.n.], 1911)

Science - American Association for the Advancement of Science. ([s.n.], 1921)

Science guide - American Museum of Natural History (The Museum, 1944)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1942)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1943)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1949)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 2015)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1881)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1976)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1978)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1993)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1995)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2002)

The second book of birds; bird families - Miller, Harriet Mann, 1831 -1918 (Houghton, Mifflin, 1901)

Selected readings in mammalogy : selected from the original literature and introduced with comments - Anderson, Sydney, 1927 -2018 (Museum of Natural History, University of Kansas, 1976)

Selected vertebrate endangered species of the seacoast of the United States - Biological Services Program (U.S.) (The Service : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1980)

Selection and use of snags by secondary cavity-nesting birds of the ponderosa pine forest - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980)

Sex and internal secretions - Allen, Edgar, 1892 -1943 (Williams & Wilkins, 1961)

Shasta-Trinity National Forests : final environmental impact statement, land and resource management plan : Humboldt, Modoc, Shasta, Siskiyou, Tehama and Trinity Counties, California - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Region, 1994)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1859)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1892)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1986)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1875)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1880)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1905)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1921)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1931)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1940)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1946)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1956)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1957)

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

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

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Snag habitat management : proceedings of the symposium, June 7-9, 1983, Northern Arizona University, Flagstaff - Davis, Jerry W. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1983)

Snake River Birds of Prey Area research and monitoring annual report, 1991 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District Office, 1992)

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

Snake River Birds of Prey Research Project : annual report, 1981 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1981)

Snake River birds of prey research project : annual report, 1984 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1984)

Snake River birds of prey research project : annual report, 1985 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1985)

Snake River birds of prey research project : annual report, 1986 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1986)

Snake River birds of prey research project : annual report, 1982 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1982)

Some Ohio birds - Harry, Scott G. (Ohio Agricultural Experiment Station, 1912)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2011)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2013)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2024)

Southeastern Oklahoma wildlife study : federal coal reserve area : final report - Environmental Science; Engineering, Inc. (Environmental Science and Engineering, 1980)

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)

Special bulletin - Smithsonian Institution (Government Printing Office, 1892)

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

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

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

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1974)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1977)

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

Special status species : proposed resource management plan amendment/environmental impact statement - United States. Bureau of Land Management. Roswell District Office. ([U.S. Department of the Interior, Bureau of Land Management, Roswell District Office; Pecos District Office], 2007)

Species list of Alaskan birds, mammals, fish, amphibians, reptiles, and invertebrates - United States. Forest Service. (Department of Agriculture, Forest Service, Alaska Region, 1979)

Species taxa of North American birds; a contribution to comparative systematics - Mayr, Ernst, 1904 -2005 (The Club, 1970)

The sport of bird-study - Job, Herbert Keightley, 1864 -1933 (Macmillan, 1922)

Spring notes from Tennessee - Torrey, Bradford, 1843 -1912 (Houghton, Mifflin and company, 1896)

The standard catalogue of North American birds eggs - Lattin, Frank H. (Frank Haak), 1861 -1937 (F.H. Lattin, 1892)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

State forest land management plan : draft environmental impact statement - Montana. Department of State Lands (The Dept, 1995)

State forest land management plan : final environmental impact statement - Montana. Department of Natural Resources; Conservation (Dept. of Natural Resources and Conservation, 1996)

State of North America's birds of prey - American Ornithologists' Union. (Nuttall Ornithological Club, 2008)