Report on bird migration in the Mississippi valley in the years 1884 and 1885 - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1888)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E. K. Meyers, state printer, 1890)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over four thousand stomach examinations - Warren, Benjamin Harry, 1858 -1926 (E.K. Meyers, State Printer, 1890)

Report on the birds of Pennsylvania : with special reference to the food habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania. With special reference to the food-habits, based on over three thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1888)

Report on the birds of Pennsylvania; with special reference to the food habits, based on over four thousand stomach examinations - Pennsylvania. Ornithologist. (E.K. Meyers, State Printer, 1890)

Report on the ornithology of the Death Valley Expedition of 1891 - United States. Bureau of Biological Survey. (U.S. G.P.O.?], 1893)

Report on the ornithology of the portions of California visited during the field-season of 1875 - Henshaw, Henry W. (Henry Wetherbee), 1850 -1930 (1876)

Report on the progress and condition of the United States National Museum - United States National Museum (U.S. Govt. Print. Off, 1927)

Report on the progress and condition of the U.S. National Museum for the year ending June 30 ... - United States National Museum (G.P.O, 1918)

Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior - Emory, William H. 1811 -1887 (C. Wendell, printer, 1859)

Report upon cotton insects, prepared under the direction of the commissioner of agriculture in pursuance of an act of Congress approved June 19, 1878 - Comstock, John Henry, 1849 -1931 (Gov't. print. off, 1879)

Report upon ornithological specimens collected in the years 1871, 1872, and 1873 - Geographical Surveys West of the 100th Meridian (U.S.) (Govt. Print. Off, 1874)

Report upon the Colorado River of the West :explored in 1857 and 1858 - Gray, Asa, 1810 -1888 (Govt. Print. Off, 1861)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1875)

Report / Warwickshire Natural History & Archaeological Society - Warwickshire Natural History; Archaeological Society. (1861)

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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, 1855)

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.], 1856)

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.], 1858)

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)

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)

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

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, 1914)

The Review of applied entomology. Series A, Agricultural - C.A.B. International. Bureau of Crop Protection (Commonwealth Agricultural Bureaux, etc, 1917)

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)

Review of red-winged blackbirds (Agelaius phoeniceus) of eastern, west-central, and southern Mexico and Central America - Dickerman, Robert William, 1926 - (American Museum of Natural History, 1974)

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

Revue d'histoire naturelle appliquée. Deuxième partie. l'Oiseau - Société nationale d'acclimatation de France (Société nationale d'acclimatation de France, 1923)

Revue et magasin de zoologie pure et appliquée - Société Cuvierienne. (Bureau de la Revue et Magasin de Zoologie, 1870)

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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)

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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, 1925)

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, 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)

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)

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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)

Science - American Association for the Advancement of Science. ([s.n.], 1892)

Science - American Association for the Advancement of Science. ([s.n.], 1880)

Science - American Association for the Advancement of Science. ([s.n.], 1902)

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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 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)

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

A second visit to the United States of North America : in two volumes - Lyell, Charles, Sir, 1797 -1875 (J. Murray, 1849)

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)

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)

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sheng tai xue yuan li he ye wai sheng wu xue - Smith, Robert Leo 1925 - (ke xue chu ban she, 1988)

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)

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, 1853)

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)

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

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, 1951)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1958)

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

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

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 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, 1980 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1980)

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

The southern corn rootworm, or budworm - Webster, F. M. (Francis Marion), 1849 -1916 (U.S. Dept. of Agriculture, 1913)

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1956)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1963)

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