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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1968)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1966)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1967)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1968)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1969)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1970)

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, 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, 1987)

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

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

The social insects - Richards, Owain Westmacott, 1901 -1984 (Macdonald, 1953)

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)

Some south Indian insects and other animals of importance considered especially from an economic point of view - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Printed by the superintendent, government press, 1914)

Some south Indian insects and other animals of importance considered especially from an economic point of view - Fletcher, T. B. (Thomas Bainbrigge), 1878 -1950 (Printed by the Superintendent, Government Press, 1914)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1918)

South African journal of science - South African Association for the Advancement of Science. (South African Association for the Advancement of Science, 1919)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1933)

The South Australian Naturalist - Field Naturalists' Society of South Australia (The Society, 1945)

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

Southern African field archaeology - Albany Museum (Grahamstown, South Africa). (Albany Museum, 2000)

Special papers - Ohio Academy of Science. (The Academy, 1899)

Special publications - The Museum, Texas Tech University - International Center for Arid; Semi-arid Land Studies. (Texas Tech Press, 1979)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1961)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1964)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1969)

The species of Isoptera (Insecta) from the early Cretaceous Crato Formation : a revision - Engel, Michael S. (American Museum of Natural History, 2008)

The species problem; a symposium presented at the Atlanta meeting of the American Association for the Advancement of Science, December 28-29, 1955 - Mayr, Ernst, 1904 -2005 (1957)

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

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