The Scottish naturalist (T. Buncle & Co. [etc.], 1957)

The Scottish naturalist (T. Buncle & Co. [etc.], 1961)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 2005)

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)

Sea-birds : an introduction to the natural history of the sea-birds of the North Atlantic - Fisher, James, 1912 - (Houghton, Mifflin, 1954)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1947)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1949)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1961)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1963)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1966)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1967)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1968)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1971)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1973)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1974)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1976)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1977)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1978)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1979)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1980)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1981)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1983)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1984)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1985)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1986)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1987)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1988)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1989)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1990)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1991)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1992)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1993)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1994)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1995)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1996)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1997)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1998)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 1999)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2000)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2001)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2002)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2003)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2005)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2011)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2015)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2019)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2020)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2021)

The Sea swallow - Royal Naval Bird Watching Society. (Printed by W. Spurrell for the Royal Naval Bird Watching Society, 2022)

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)

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 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)

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)

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)