The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1887)

The Scottish naturalist (T. Buncle & Co. [etc.], 1922)

The Scottish naturalist - Perthshire Society of Natural Science. (Cowan & Co. [etc.], 1889)

The Scottish naturalist (T. Buncle & Co. [etc.], 1926)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1991)

The Scottish naturalist (T. Buncle & Co. [etc.], 1935)

Scottish Naturalist - Scottish Natural History Library. (Scottish Natural History Library, 1997)

The Scottish naturalist (T. Buncle & Co. [etc.], 1949)

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)

Seasonal composition of invertebrates in several Oregon streams - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987)

sen lin you hai dong wu bian lan - Pavlovskiĭ, E. N. (Evgeniĭ Nikanorovich) 1884 -1965 (ke xue chu ban she, 1957)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1932)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1934)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1935)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1938)

sheng tai hua xue qian yan - kong chui hua lou yong gen (gao deng jiao yu chu ban she, 2010)

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

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1892)

Sitzungsberichte. Abt. 1, Mineralogie, Krystallographie, Botanik, Physiologie der Pflanzen, Zoologie, Paläontologie, Geologie, physische Geographie und Reisen - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Klasse. Abt. 3, Anatomie und Physiologie des Menschen und der Tiere sowie aus jenem der theoretischen Medizin - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (K.-K. Hof- und Staatsdruckerei in Kommission bei A. Hölder, 1913)

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, 1885)

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)

Smithsonian-Firestone Expedition to Liberia, 1940 - Mann, William M., 1886 -1960 (1940)

Smithsonian herpetological information service - Smithsonian Institution (Division of Reptiles and Amphibians, U.S. National Museum, 1983)

Smithsonian institution, 1846-1896; the history of its first half century - Goode, G. Brown (George Brown), 1851 -1896 (1897)

The Smithsonian Institution, 1846-1896; the history of its first half century - Smithsonian Institution ([De Vinne Press], 1897)

The Smithsonian Institution, 1846-1896. The history of its first half century - Smithsonian Institution (1897)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1862)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1869)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1873)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1878)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1905)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1908)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1927)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1931)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1932)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1947)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1955)

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

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

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

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1971)

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

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

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1904)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1912)

Societas entomologica - International Entomological Society. (A. Kernan [etc.], 1920)

Societatum litterae (R. Friedländer, 1887)

Societatum litterae (R. Friedländer, 1890)

Some aspects of the biting fly problem in Canadian Sub Arctic Regions - Hocking, Brian, 1914 -1974 (University of Alberta, 1949)

South African journal of natural history - South African Biological Society. (South African Biological Society, 1920)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2002)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2014)

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

Spanische Dipteren - Strobl, Gabriel, 1846 -1925 (s.n, 1906)

Spanische Dipteren - Strobl, Gabriel, 1846 -1925 (s.n, 1909)

Special scientific report. Fisheries - U.S. Fish; Wildlife Service (National Marine Fisheries Service; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1968)

Species abundance relationships of aquatic insects in monotypic waterhyacinth communities in Florida : with special emphasis on factors affecting diversity - Balciunas, Joseph Kestutis, 1946 - (1977)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1980)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1982)

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

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1978)

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1992)

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

Spixiana. Supplement - Zoologische Staatssammlung München. (Zoologische Staatssammlung München, 1996)

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

Sprawozdanie Komisyi Fizyograficznej (1892)

Sprawozdanie Komisyi Fizyograficznej (1893)

Sprawozdanie Komisyi Fizyograficznej (1894)

Sprawozdanie Komisyi Fizyograficznej (1898)

Sprawozdanie Komisyi Fizyograficznej (1900)

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)

Stream monitoring manual - Illinois. Division of Energy; Environmental Assessment. (Illinois Dept. of Natural Resources, Office of Realty and Environmental Planning, Division of Energy and Environmental Assessment, 1997)

Stream monitoring manual - Illinois. Division of Energy; Environmental Assessment. (Illinois Dept. of Natural Resources, Office of Realty and Environmental Planning, Division of Energy and Environmental Assessment, 1998)

Stream monitoring manual - Illinois RiverWatch Network. (Illinois Dept. of Natural Resources, 1995)

The structure and life-history of the harlequin fly (Chironomus) - Miall, L. C. (Louis Compton), 1842 -1921 (Clarendon Press, 1900)

Structure, general characteristics, and salinity relationships of benthic macroinvertebrate associations in streams draining the southern Fort Union coalfield region of southeastern Montana - Geological Survey (U.S.) (Water Quality Bureau, Billings Regional Office, Environmental Sciences Division, Montana Dept. of Health and Environmental Sciences, 1980)

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)

Studien über südostasiatische Dipteren - Meijere, J. C. H. de (Johannes Cornelis Hendrik) 1866 -1947 (s.n, 1911)