Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1859)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1860)

Reports of the Princeton University Expeditions to Patagonia, 1896-1899. J. B. Hatcher in charge - Princeton University Expeditions to Patagonia 1896 -1899 (The University, 1904)

Reports on the progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

A reprint of the North American zoology, by George Ord. Being an exact reproduction of the part originally compiled by Mr. Ord for Johnson & Warner, and first published by them in their 2d American ed. of Guthrie's geography, in 1815. Taken - Ord, George, 1781 -1866 (Pub. by the editor, 1894)

Resource management report - Ontario. Fish; Wildlife Branch.

Results of a biological reconnoissance of south-central Idaho - Stejneger, Leonhard, 1851 -1943 (Govt. Print. Off, 1891)

Results of a biological reconnoissance of the Yukon river region. : General account of the region. Annotated list of mammals - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1900)

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)

Returns from banded birds, 1920 to 1923 - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1924)

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 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 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)

A revised list of the birds of Brookline, Massachusetts - Howe, Reginald Heber, Jr. 1875 -1932 (1902)

Revised list of the birds of Jamaica. (Based on the list of Alfred and Edward Newton in the 'Handbook of Jamaica for 1881') - Sclater, Philip Lutley, 1829 -1913 (1910)

Revue méthodique et critique des collections déposées dans cet établissement - Rijksmuseum van Natuurlijke Historie te Leiden. (Rijksmuseum van Natuurlijke Historie, 1863)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 1959)

The Riverside natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (Houghton, Mifflin and company, 1888)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1915)

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)

The Salton Sea : geology, history, potential problems, politics, and possible futures of an unnatural desert salt lake - Oglesby, Larry C. (Southern California Academy of Sciences, 2005)

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)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (D. Estes & company, 1913)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (Page Company Publishers, 1913)

Sand dunes and salt marshes - Townsend, Charles Wendell, 1859 -1934 (L.C. Page & company, 1925)

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

Science-gossip (Simpkin Marshall, Hamilton, Kent & Co, 1898)

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)

The Scientific proceedings of the Royal Dublin Society - Royal Dublin Society. (The Society, 1878)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2003)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2009)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2011)

The Scottish naturalist (T. Buncle & Co. [etc.], 1930)

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)

Sixth annual report of the United States geological survey of the Territories, embracing portions of Montana, Idaho, Wyoming, and Utah : being a report of progress of the explorations for the year 1872 - Geological; Geographical Survey of the Territories (U.S.) (G.P.O, 1873)

Slides and photographs. List 29, Birds of New York State - University of the State of New York. Visual Instruction Division. (1920)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1895)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1859)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1881)

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, 1956)

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

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

Smithsonian scientific series - Smithsonian Institution (Smithsonian Institution Series, Inc, 1930)

Some recent bird records from Canada's eastern Arctic - Royal Ontario Museum of Zoology. (Royal Ontario Museum, 1942)

South Carolina. Resources and population. Institutions and industries - Hammond, Harry, (Walker, Evans & Cogswell, printers, 1883)

Special bulletin - Smithsonian Institution (Government Printing Office, 1895)

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

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1957)

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, 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, 1978)

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)

Species list : birds, mammals, fish, reptiles, and amphibians for the Forest Service, including separate lists for Idaho, Montana and North Dakota - United States. Forest Service. Northern Region. (U.S. Dept. of Agriculture, Forest Service, Northern Region, 1978)

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

A spectacular waterfowl migration through central North America - Bellrose, Frank C. (Frank Chapman), 1916 -2005 ([s.n.], 1957)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1978)

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

The sportsman's gazetteer and general guide. The game animals, birds and fishes of North America: their habits and various methods of capture. Copious instructions in shooting, fishing, taxidermy, woodcraft, etc. Together with a glossary, and a directory to the principal game resorts of the country; illustrated with maps - Hallock, Charles, 1834 -1917 (Orange Judd Companyu, 1883)

The sportsman's gazetteer and general guide : the game animals, birds and fishes of North America; their habits and various methods of capture. Copious instructions in shooting, fishing, taxidermy, woodcraft, etc. Together with a directory to the principal game resorts of the country; illustrated with maps - Hallock, Charles, 1834 -1917 ("Forest and Stream" Publishing Company, 1877)

Spunky Bottoms : restoration of a big-river flood plain - Illinois. Natural History Survey Division (Illinois Natural History Survey, 2007)

The standard catalogue of North American birds eggs - Lattin, Frank H (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)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

The status of Alberta wildlife - Alberta. Wildlife Management Division. (Alberta Environmental Protection, Natural Resources Service, Wildlife Management Division, 1996)

Studies on Cenozoic vertebrates of western North America ... - Colbert, Edwin H. 1905 -2001 (Carnegie Institution of Washington, 1938)

A study of the incubation periods of birds; what determines their lengths - Bergtold, W. H. (William Harry), 1865 -1956 (The Kendrick-Bellamy co, 1917)

The summer birds of the northeast shore of Lake Superior, Ontario - Royal Ontario Museum of Zoology. (Printed by the University of Toronto Press, 1943)

Supplement to the birds of Essex County, Massachusetts - Townsend, Charles Wendell, 1859 -1934 (The Club, 1920)

A supplement to The birds of Rhode Island - Howe, Reginald Heber, Jr. 1875 -1932 ([s.n.], 1903)

Survey of colonial nesting birds and lakeshore habitats in northeast Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Resource Data and Species at Risk Section, 2004)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

A synopsis of the birds of North America - Audubon, John James, 1785 -1851 (Adam and Charles Black, 1839)

Synopsis of the parasites of vertebrates of Canada : cestodes of waterfowl (Anseriformes) - Alberta. Animal Health Division. (Alberta Agriculture, Animal Health Division, 1990)

Synopsis of the parasites of vertebrates of Canada : nematodes of birds - Kennedy, Murray James, 1943 - (Alberta Agriculture, Animal Health Division, 1990)

A systematic list of the birds of California - Grinnell, Joseph, 1877 -1939 (Cooper Ornithological Club, 1912)

Taxonomy and ecology of Diphyllobothrium in Alberta and British Columbia - Anthony, Desmond Darrington. (1967)

Taylor's standard American egg catalogue : comprising a directory of prominent oölogists and collectors' handbook : a correct basis for the exchange of nests and eggs arranged with margin for check-list - Taylor, Henry Reed, 1866 -1917 (H.R. Taylor, 1904)

Teachers' manual of bird-life : a guide to the study of our common birds - Allen, J. A. (Joel Asaph), 1838 -1921 (D. Appleton and Co, 1899)

The Tennessee warbler : newsletter of the Tennessee Ornithological Society - Tennessee Ornithological Society. (Tennessee Ornithological Society], 2001)

Tetraonidae and phasianidae of the USSR : ecology and morphology - Causey, Douglas (Smithsonian Institution Libraries, 1992)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1959)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1972)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1985)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1995)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1996)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2000)

Textbook of zoology - Potter, George Edwin, 1898 - (Mosby, 1947)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1875)

The Thompson Lake/Emiquon story : the biology, drainage, and restoration of an Illinois River bottomland lake - Havera, Stephen P. (Illinois Natural History Survey, 2003)