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, 1936)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1937)

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

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1939)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1940)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1941)

Service and regulatory announcements - United States. Office of Experiment Stations. (U.S. G.P.O, 1942)

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

Sheng wu tong ji xue dao lun - Sokal, Robert R. (Wunan tu shu chu ban she, 1981)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1933)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1954)

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

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

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1967)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1969)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1971)

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, 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)

Some unusual natural areas in Illinois - Evers, Robert A. (Robert August), 1912 - (Illinois Natural History Survey, 1977)

Spider records from Colin-Cornwall Lakes Wildland Provincial Park - Alberta. Parks; Protected Areas Division. (Alberta Community Development, Parks and Protected Areas Division, Alberta Natural Heritage Information Centre], 2004)

Spixiana - Zoologische Staatssammlung München. (Zoologische Staatssammlung Mchen, 1995)

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)

A study of the invertebrates and fishes of salt marshes in two Oregon estuaries - Coastal Engineering Research Center (U.S.) (The Center, 1981)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1975)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1960)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1961)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1962)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1987)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1989)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1990)

Stuttgarter Beiträge zur Naturkunde Serie B Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1988)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1968)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1969)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1971)

Stuttgarter Beiträge zur Naturkunde - Staatliches Museum für Naturkunde in Stuttgart (Das Museum, 1972)

Stuttgarter Beiträge zur Naturkunde Serie B Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 1987)

Stuttgarter Beiträge zur Naturkunde Serie B Geologie und Paläontologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2001)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2006)

Stuttgarter Beiträge zur Naturkunde Serie A Biologie - Staatliches Museum für Naturkunde in Stuttgart. (Staatliches Museum für Naturkunde, 2010)

Supplement to insect enemies of eastern forests : index to insects by host plants - Schaffner, J. V. (John Valentine), 1888 - (U.S. Dept. of Agriculture, 1953)

Survey of insect pests and plant diseases of selected food crops in Mexico, Central America, and Panama - Crandall, Bowen Sinclair, 1909 - (International Agricultural Development Service, U.S. Dept. of Agriculture, 1967)

A synonymic checklist of the Hexapoda of the New Zealand sub-region : the smaller orders - Auckland Institute; Museum. (Auckland Institute and Museum, 1977)

A synthesis of evolutionary theory - Ross, Herbert H. (Herbert Holdsworth), 1908 -1978 (Prentice-Hall, 1962)

Systematics in Agriculture Canada at Ottawa, 1886-1986 - Canada. Agriculture Canada (Biosystematics Research Centre, Agriculture Canada, 1986)

Systematische Übersicht der Fossilen Myriopoden, Arachnoideen und Insekten - Scudder, Samuel Hubbard, 1837 -1911 (R. Oldenbourg, 1885)

Taxonomic study of the Cicadellinae (Homoptera, Cicadellidae) : Part 2. New World cicadellini and the genus Cicadella - Young, David A., 1915 - (North Carolina Agricultural Experiment Station, 1977)

The taxonomy, distribution and ecology of California desert ants (Hymenoptera, Formicidae) - United States. Bureau of Land Management. ([Publisher not identified], 1979)

Technical publication - New York State College of Forestry at Syracuse University. (The College, 1921)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1958)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1970)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 1993)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2001)

The Texas journal of science - Texas Academy of Science. (Texas Academy of Science, 2004)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1900)

Text book of zoology - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Sampson Low, Marston, 1896)

Textbook of zoology - Potter, George Edwin, 1898 - (Mosby, 1947)

Teysmannia (G. Kolff, 1906)

Teysmannia (G. Kolff, 1908)

Teysmannia (G. Kolff, 1916)

A third digest of the literature on DDT : (January through June 1945) - United States. Office of Experiment Stations. ([United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine], 1947)

Das Tierreich - Heck, Ludwig, 1860 -1951 (W. Pauli, 1894)