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, 1898)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1842)

Revue zoologique - Société Cuvierienne. (Société cuvierienne, 1848)

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

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1913)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1914)

Rivista italiana di ornitologia - Museo civico di storia naturale di Milano. (Società italiana di scienze naturali, 1918)

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, 1921)

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, 1926)

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, 1928)

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)

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, 1935)

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, 1939)

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

Saggio di una distribuzione metodica degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (1831)

The savage world : a complete natural history of the world's creatures, fishes, reptiles, insects, birds and mammals : founded upon the theory of the progression of species, and in accordance with genetic revelation, scriptural truths, and the harmony of nature ... - Buel, James W. (James William), 1849 -1920 (Published and manufactured by Historical Publishing Company, 1891)

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)

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

The Seaside sparrow, its biology and management : proceedings of a symposium held at Raleigh, North Carolina 1-2 October 1981 - U.S. Fish; Wildlife Service (The Survey, 1983)

Second instalment of American ornithological bibliography - Coues, Elliott, 1842 -1899 ([Govt. Print. Office], 1879)

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

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)

sheng wu ming cheng he sheng wu xue shu yu de ci yuan - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (ke xue chu ban she, 1979)

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

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

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

The Siphonaptera of Canada - Canada. Department of Agriculture. (1949)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof-und Staatsdruckerei in Commission bei Karl Gerold's Sohn, 1856)

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 miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1875)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1882)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

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

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

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

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

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

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, 1976)

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 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)

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

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

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)

Storia delle piante forastiere le più importanti nell'uso medico, od economico - Castiglioni, Luigi, 1757 -1832 (Nella stamperia di Giuseppe Marelli, 1791)

Strolls by starlight and sunshine - Gibson, W. Hamilton (William Hamilton), 1850 -1896 (Harper & Brothers, 1891)

Studies scientific & social / by Alfred Russel Wallace - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co., limited, 1900)

Summer birds of Flathead Lake - Silloway, Perley Milton (University of Montana, 1901)

The Sunny South oölogist - Davis, Edwin C., (E. C. Davis, 1886)

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

Supplement to the code of nomenclature and check-list of North American birds. 1-17 - American Ornithologists' Union. (The Union, 1899)

Supplement to the code of nomenclature and check-list of North American birds. 1-17 - American Ornithologists' Union. (The Union, 1908)

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

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1902)

Synopsis avium : nouveau manuel d'ornithologie - Dubois, Alphonse, 1839 -1921. (H. Lamertin, 1904)

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

Synopsis of the contents of the British Museum - British Museum (Woodfall, 1842)

A synthesis of evolutionary theory - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (Prentice-Hall, 1962)

Tableau encyclopédique et méthodique des trois règnes de la nature. Ornithologie - Bonnaterre, Pierre Joseph, abbé, 1752? -1804 (Chez Mme. veuve Agasse, 1823)

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)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1949)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1953)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1962)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1977)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1981)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1998)

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 glade and mead; a contribution to local natural history - Jackson, Joseph, 1847 -1924 (Putnam, Davis and Company, 1894)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1899)

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2004)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1907)

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

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

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.], 1953)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1911)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1906)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (W.Y. Morgan, 1911)

Transactions of the Kentucky Academy of Science - Jillson, Willard Rouse, 1890 - (Kentucky Academy of Science, 1980)

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, 1937)