A serological and ectoparasite survey of migratory birds in northeast Africa; final report - Watson, George E. (George Elder),‏ ‎ 1931 - (Dept. of Vertebrate Zoology, Smithsonian Institution, 1972)

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)

Silviculture of southwestern ponderosa pine : the status of our knowledge - Schubert, Gilbert Herman, 1915 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1974)

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)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Abt. 1, Mineralogie, Botanik, Zoologie, Anatomie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei Carl Gerold's Sohn, 1863)

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, 1854)

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)

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, 1857)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Abt. 1, Mineralogie, Botanik, Zoologie, Anatomie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei Carl Gerold's Sohn, 1868)

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, 1858)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe. Abt. 1, Mineralogie, Botanik, Zoologie, Geologie und Paläontologie - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Commission bei C. Gerold's Sohn, 1883)

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, 1859)

Sitzungsberichte der königl. böhmischen Gesellschaft der Wissenschaften in Prag - Königlich-Böhmische Gesellschaft der Wissenschaften (Königlich-böhmische Gesellschaft der Wissenschaften, 1859)

Sitzungsberichte der Königlich Preussischen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Deutsche Akademie der Wissenschaften zu Berlin, 1904)

Sitzungsberichte des Deutschen Naturwissenschaftlich-Medicinischen Vereines für Böhmen "Lotos" in Prag - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (Die Verein, 1897)

Sitzungsberichte und abhandlungen der Naturforschenden Gesellschaft zu Rostock - Naturforschende und Medizinische Gesellschaft zu Rostock. (1925)

Sitzungsberichte und Abhandlungen der Naturwissenschaftlichen Gesellschaft Isis in Dresden - Gesellschaft Isis in Dresden. (Warnatz & Lehmann, 1883)

Skandinaviens foglar - Holmgren, August Emil, 1829 -1888 (P.A. Norstedt & söner, 1866)

Skandinaviens fugle, med særligt hensyn til Danmark og de nordlige bilande - Grönvold, Henrik, 1858 -1940 (L.A. Jørgensen, 1875)

Skandinavisk fauna - Nilsson, Sven, 1787 -1883 (Tryckt uti Borlingska Boktryckeriet, 1820)

Sketch-book of British birds - Sharpe, Richard Bowdler, 1847 -1909 (Society for Promoting Christian Knowledge, 1898)

A sketch of the natural history of the District of Columbia together with an indexed ed. of the U. S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 ([Press of H. L. & J. B. McQueen, inc.], 1918)

A sketch of the natural history of the District of Columbia together with an indexed edition of the U.S. Geological survey's 1917 map of Washington and vicinity - McAtee, W. L. (Waldo Lee) 1883 -1962 (H.L. & J.B. McQueen, Inc, 1918)

Skizzirte Entwickelungs-Geschichte und natürliches System der europäischen Thierwelt : Erster Theil welcher die Vogelsäugethiere und Vögel nebst Andeutung der Entstehung der letzteren aus Amphibien enthält - Kaup, J. J. (Johann Jacob), 1803 -1873 (In commission bei Carl Wilhelm Leske, 1829)

Skogsvårdsföreningens tidskrift - Föreningen för skogsvård (Sweden) (Centraltryckeriet, 1905)

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

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1999)

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

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

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

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

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1964)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1984)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1969)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1971)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1972)

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, 1979 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1979)

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)

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)

Snake River birds of prey research project : annual report, 1983 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1983)

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, 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, 1985 - U.S. Fish; Wildlife Service (U.S. Department of the Interior, Bureau of Land Management, Boise District, 1985)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1914)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1917)

Societatum litterae (R. Friedländer, 1887)

Societatum litterae (R. Friedländer, 1890)

Society for the Protection of Birds : educational series - Royal Society for the Protection of Birds (The Society's Publishing Office, 1896)

Some account of the fauna and flora of Sinai, Petra, and Wâdy 'Arabah - Hart, Henry Chichester, 1847 -1908 (Pub. for the Committee of the Palestine exploration fund by A. P. Watt, 1891)

Some account of the fauna and flora of Sinai, Petra, and WÃ¢dy 'Arabah - Hart, Henry Chichester, 1847 -1908 (Pub. for the Committee of the Palestine Exploration Fund by A.P. Watt, 1891)

Somerset archaeology and natural history : the proceedings of the Somerset Archaeological and Natural History Society - Somerset Archaeological; Natural History Society. (Somerset Archaeological and Natural History Society, 1851)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1936)

South Australian ornithologist - South Australian Ornithological Association. (South Australian Ornithological Association, 1914)

South Pacific birds - Du Pont, John E. (John Eleuthère), 1938 -2010 (Delaware Museum of Natural History, 1976)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2023)

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, 1895)

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

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

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

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, 1972)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1973)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1976)

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)

Sporozoenkunde; ein Leitfaden für Aerzte, Tierärzte, und Zoologen - Wasielewski, Theodor Karl Wilhelm Nicholas von, 1868 - (Fischer, 1896)

Sprawozdanie Komisyi Fizyograficznej (1893)

Sprawozdanie Komisyi Fizyograficznej (1896)

Sprawozdanie Komisyi Fizyograficznej (1899)

Sprawozdanie Komisyi Fizyograficznej (1902)

Sprawozdanie Komisyi Fizyograficznej (1904)

Sprawozdanie Komisyi Fizyograficznej (1905)

Sprawozdanie Komisyi Fizyograficznej (1907)

Sprawozdanie Komisyi Fizyograficznej (1909)

Sprawozdanie Komisyi Fizyograficznej (1910)

A spring and summer in Lapland - Old bushman, 1815 -1865 (Groombridge, 1871)

A spring and summer in Lapland : with notes on the fauna of Luleä Lapmark - Old bushman, 1815 -1865 (Groombridge and Sons, 1864)

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

The standard dictionary of facts, history, language, literature, biography, geography, travel, art, government, politics, industry, invention, commerce, science, education, natural history, statistics and miscellany - Ruoff, Henry Woldmar, 1867 - (Frontier Press, 1908)

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

The starling. A study in agricultural zoology - Froggatt, Walter W. (Walter Wilson), 1858 -1937 (1912)

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)

Storia naturale degli uccelli che nidificano in Lombardia : ad illustrazione della raccolta ornitologica dei fratelli ercole ed Ernesto Turati - Bettoni, Eugenio. (coi tipi del pio Instituto del Patronato, 1863)

The story of our museum : showing how we formed it, and what it taught us - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee. (Society for Promoting Christian Knowledge, 1881)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1872)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1874)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1875)

Stray feathers. Journal of ornithology for India and its dependencies - Hume, Allan Octavian, 1829 -1912 (s.n, 1876)