Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1957)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1959)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1979)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1980)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1981)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1982)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1983)

Smithsonian year : annual report of the Smithsonian Institution for the year ended Sept. 30 ... - Smithsonian Institution (For sale by the Supt. of Docs., U.S. G.P.O, 1984)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1985)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1986)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1987)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1989)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1990)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1991)

Smithsonian year ... supplement : chronology and appendices - Smithsonian Institution (Smithsonian Institution, 1992)

The social insects : their origin and evolution - Wheeler, William Morton, 1865 -1937 (K. Paul, Trench, Trubner, 1928)

Social life among the insects : being a series of lectures delivered at the Lowell institute in Boston in March 1922 - Wheeler, William Morton, 1865 -1937 (Harcourt, Brace and company, 1923)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1890)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1889)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1900)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1902)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1906)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1907)

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

The solitary bee Calliopsis zebrata : biological and distributional notes and descriptions of its larva (Hymenoptera, Andrenidae, Panurginae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 2008)

South American leaf-cutter bees (genus Megachile) of the subgenera Rhyssomegachile and Zonomegachile, with two new subgenera (Hymenoptera, Megachilidae) - Engel, Michael S. (American Museum of Natural History, 2018)

South American panurgine bees (Andrenidae, Panurginae) Part 2 Adults, immature stages, and biology of Neffapis longilingua, a new genus and species with an elongate glossa - Ruz, Luisa (American Museum of Natural History, 1995)

South American rophitine bees (Hymenoptera, Halictidae, Rophitinae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 1997)

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

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2013)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2017)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2018)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2019)

Southern Africa. A geography and natural history of the country, colonies, and inhabitants from the Cape of Good Hope to Angola, together with notices of their origins, manners, habits, customs, traditions, superstitions, religious usages, languages, past and present conditions, manufactures, wepons, etc. ... - Fleming, Francis Patrick. (Arthur Hall, Virtue, and Co, 1856)

Southwestern rare and endangered plants : proceedings of the second conference : September 11-14, 1995, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1996)

The Sphegidae of South Africa - Transvaal Museum (Printed at the University Press, 1922)

Spixiana Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 2001)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1981)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1983)

Spixiana Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1981)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1984)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1987)

Spixiana Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1997)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1988)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1989)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1997)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1999)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 2002)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 2003)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 2005)

Spolia hymenopterologica - Schulz, W. A. (1908)

Sprawozdanie Komisyi Fizyograficznej (1893)

Sprawozdanie Komisyi Fizyograficznej (1898)

Sprawozdanie Komisyi Fizyograficznej (1905)

Sprawozdanie Komisyi Fizyograficznej (1908)

Sprawozdanie Komisyi Fizyograficznej (1909)

Die stammesgeschichtliche entstehung des bienenstaates sowie beiträge zur lebensweise der solitären u. sozialen bienen (hummeln, meliponinen, etc.). Vortrag gehalten auf dem Zoologen-kongress in Giessen (1902). Stark erweitert, mit anmerkungen und zusätzen - Buttel-Reepen, H. v. (Hugo), 1860 -1933 (G. Thieme, 1903)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1884)

The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1886)

The Stephen A. Forbes collections at the Illinois Natural History Survey, 1858-1994 : Annual report 1994 - Forbes, Stephen Alfred, 1844 -1930 (Illinois Natural History Survey, 1994)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1913)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1914)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1920)

Stettiner Entomologische Zeitung - Entomologischer Verein in Stettin. (Kommissionsverlag von Friedländer & Sohn, 1919)

Stobaeana : occasional papers published by the Museum of Zoology, Lund University, Sweden - Lunds universitet. (Museum of Zoology, 1994)

Stobaeana : occasional papers published by the Museum of Zoology, Lund University, Sweden - Lunds universitet. (Museum of Zoology, 1995)

Stobaeana : occasional papers published by the Museum of Zoology, Lund University, Sweden - Lunds universitet. (Museum of Zoology, 1997)

Strategic plan for pollinator conservation - National Operations Center (U.S.). Information; Publishing Services Section. (U.S. Department of the Interior, Bureau of Land Management, National Operations Center, Information and Publishing Services Section, 2022)

Structure and classification of insects - Ebell, Adrian John, 1840 -1877 (Ebell, 1872)

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and co, 1898)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1909)

Studies in zoology : an introduction to the study of animals for secondary schools and academies - Merrill, James Andrew. (American Book, 1902)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1959)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1981)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1983)