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

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

Scientific publications of the Cleveland Museum of Natural History - Cleveland Museum of Natural History (The Museum, 1928)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1978)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1987)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1989)

Scottish bird report - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1998)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1961)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1968)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1970)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1972)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 1974)

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

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2001)

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

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, 2010)

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

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2013)

Scottish birds - Scottish Ornithologists' Club (Scottish Ornithologists' Club, 2015)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1877)

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

The screech owl : its life history and population ecology in northern Ohio - Henny, Charles J. (U.S. Dept. of Interior, Fish and Wildlife Service, 1975)

The sequence of plumages and moults of the passerine birds of New York - Dwight, Jonathan, Jr., 1858 -1929 (New York Academy of Sciences, 1900)

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

Shasta-Trinity National Forests : draft environmental impact statement, land and resource management plan : Humboldt, Modoc, Shasta, Siskiyou, Tehama and Trinity Counties, California - United States. Forest Service. ([San Francisco, Calif.], 1993)

Significance of white markings in birds of the order Passeriformes - Tracy, Henry Chester, 1876 - (The University press, 1910)

Signs and seasons - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1895)

Signs and seasons - Burroughs, John, 1837 -1921 (Houghton, Mifflin and Co, 1902)

Signs and seasons - Burroughs, John, 1837 -1921 (Houghton, Mifflin and Company, 1901)

Signs and seasons - Burroughs, John, 1837 -1921 (Houghton Mifflin and company, 1914)

A sketch of the natural history (vertebrates) of the British Islands : With a concise bibliography of popular works relating to the British fauna, and a list of field clubs and natural history societies in the United Kingdom - Aflalo, Frederick G. (Frederick George), 1870 -1918 (W. Blackwood and Son, 1898)

A sketch of the natural history (vertebrates) of the British Islands. With a concise bibliography of popular works relating to the British fauna, and a list of field clubs and natural history societies in the United Kingdom - Aflalo, Frederick G. (Frederick George), 1870 -1918 (W. Blackwood and Son, 1898)

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

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, 1921)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1962)

Some common birds useful to the farmer - U.S. Fish; Wildlife Service (U.S. Govt. print. off, 1942)

Sopra un caso di mutazione nel Gennaeus swinhoii - Ghigi, Alessandro, 1875 -1970 (1908)

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

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2003)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2012)

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, 1979)

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

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 : 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)

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)

The sportsman's British bird book - Lydekker, Richard, 1849 -1915 (Rowland Ward, 1908)

Spring migration notes of the Chicago area - Leopold, Nathan Freudenthal, 1904 -1971 ([G.W. Lewis Pub. Co.], 1920)

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

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

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)

Status and management of neotropical migratory birds : September 21-25, 1992, Estes Park Center, YMCA of the Rockies, Colorado - U.S. Fish; Wildlife Service (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1993)

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

Studies in bird migration - Clarke, William Eagle, 1853 -1938 (Gurney and Jackson; [etc., etc.], 1912)

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

Summer birds of Prince Edward Island - Dwight, Jonathan, Jr., 1858 -1929 (s.n, 1893)

The summer birds of Sudbury district, Ontario - Royal Ontario Museum of Zoology. (Printed by University of Toronto Press, 1947)

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)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

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

Synopsis of the birds of Vancouver Island - Brown, Robert, 1842 -1895 (s.n, 1868)

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)

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 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, 1999)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2004)

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)

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, 1877)

Through the Mackenzie Basin : a narrative of the Athabasca and Peace River Treaty Expedition of 1899 - MacFarlane, R. (Roderick), 1833 -1920 (W. Briggs, 1908)

Through the Mackenzie Basin : a narrative of the Athabasca and Peace River treaty expedition of 1899 - Mair, Charles, 1838 -1927 (William Briggs, 1908)

Through the Mackenzie basin : a narrative of the Athabasca and Peace River treaty expedition of 1899 - Mair, Charles, 1838 -1927 (William Briggs, 1908)

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1992)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2005)

Trails and tramps in Alaska and Newfoundland - Thomas, William S., 1858 - (G.P. Putnam's, 1913)

Trails and tramps in Alaska and Newfoundland - Thomas, William S., 1858 - (G. P. Putnam's sons, 1913)

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Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1893)

Transactions of the ... annual meetings of the Kansas Academy of Science - Kansas Academy of Science. Meeting. (Kansas Pub. House, 1897)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1893)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1877)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1946)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1947)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1953)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1958)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2003)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2004)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2010)

Transactions of the Illinois State Horticultural Society for - Horticultural Society of Northern Illinois. (The Society)

Transactions of the Illinois State Horticultural Society for - Horticultural Society of Northern Illinois. (The Society, 1877)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1872)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1901)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1879)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1982)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1983)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1984)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1882)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1933)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1937)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1943)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1955)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 2007)

Transactions of the Maryland Academy of Science and Literature - Maryland Academy of Science; Literature. (The Academy, 1837)

Transactions of the Natural History Society of Aberdeen - Natural History Society of Aberdeen. (1878)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1993)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1966)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1985)

Transactions of the Scientific Association, Meriden, Conn - Meriden Scientific Association. (Meriden Scientific Association], 1884)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1881)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1894)