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Revista do Museu Paulista - Museu Paulista (O Museu, 1929)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1902)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1904)

Revista do Museu Paulista - Museu Paulista (O Museu, 1935)

Revista do Museu Paulista - Museu Paulista (O Museu, 1936)

Revista do Museu Paulista - Museu Paulista (Museu Paulista, 1914)

Revista do Museu Paulista - Museu Paulista (O Museu, 1938)

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Richard Schomburgk's travels in British Guiana, 1840-1844 - Schomburgk, Richard, 1811 -1891 ("Daily Chronicle" Office, 1922)

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The Riverside natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (Houghton, Mifflin and company, 1888)

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Rod and gun - Canadian Forestry Association. (Rod and Gun Pub. Co. [etc.], 1904)

The rod and gun and American sportsman ([Rod and Gun Association, 1876)

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The Salton Sea : geology, history, potential problems, politics, and possible futures of an unnatural desert salt lake - Oglesby, Larry C. (Southern California Academy of Sciences, 2005)

San Francisco Zoological Gardens master plan : draft environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1997)

San Francisco Zoological Gardens master plan : final environmental impact report - San Francisco (Calif.). Planning Dept. (Planning Dept, 1998)

The savage world : a complete natural history of the world's creatures, fishes, reptiles, insects, birds and mammals : founded upon the theory of the progression of species, and in accordance with genetic revelation, scriptural truths, and the harmony of nature ... - Buel, James W. (James William), 1849 -1920 (Published and manufactured by Historical Publishing Company, 1891)

Science - American Association for the Advancement of Science. ([s.n.], 1906)

Science - American Association for the Advancement of Science. ([s.n.], 1910)

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Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1943)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 2015)

Science series / Los Angeles County Museum - Campbell, Kenneth E. Jr. (Kenneth Eugene), 1943 - (Natural History Museum of Los Angeles County, 1949)

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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)

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Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1911)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1908)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1892)

Smithsonian contributions to knowledge - Smithsonian Institution (Smithsonian Institution, 1916)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1999)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1859)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1881)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1921)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1940)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1952)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1956)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1964)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1965)

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Some Ohio birds - Harry, Scott G. (Ohio Agricultural Experiment Station, 1912)

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

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Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1977)

Special scientific report Wildlife - U.S. Fish; Wildlife Service (The Service, 1982)

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The standard natural history - Kingsley, J. S. (John Sterling), 1854 -1929 (S.E. Cassino and company, 1885)

State forest land management plan : draft environmental impact statement - Montana. Department of State Lands (The Dept, 1995)

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A study of Chiriquian antiquities - MacCurdy, George Grant, 1863 -1947 (Yale University Press, 1911)

A study of the incubation periods of birds; what determines their lengths - Bergtold, W. H. (William Harry), 1865 -1956 (The Kendrick-Bellamy co, 1917)

A study of the life history and ecology of the round-tailed muskrat (Neofiber alleni True) in North Central Florida - Birkenholz, Dale Eugene, 1931 - (1962)

A study of the structure of feathers, with reference to their taxonomic significance - Chandler, Asa C. (Asa Crawford), 1891 -1958 (University of California press, 1916)

Süd- und Mittelamerika - Sievers, Wilhelm, 1860 -1921 (Bibliographisches Institut, 1914)

Summer birds of Greene County, Pennsylvania - Jacobs, Joseph Warren, 1868 -1947 (Republican book and job office, 1893)

Summer birds of the Chiricahua Mountains, Arizona - Tanner, James T. (James Taylor) (American Museum of Natural History, 1958)

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A survey of natural areas in Tyrrell County, North Carolina : for The North Carolina Natural Heritage Program, Coastal Natural Area Inventory Project - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1981)

Syllogeus - National Museum of Natural Sciences (Canada) (National Museum of Natural Sciences, 1983)

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A synopsis of the Accipitres (diurnal birds of prey) : comprising species and subspecies described up to 1920, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Wheldon & Wesley, 1922)

A synopsis of the Accipitres (diurnal birds of prey) : comprising species and subspecies described up to 1920, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (Wheldon & Wesley, 1921)

A synoptical list of the Accipitres (diurnal birds of prey) : comprising species and subspecies, described up to 1919, with their characters and distribution - Swann, H. Kirke (Harry Kirke), 1871 -1926 (J. Wheldon, 1919)

Systematisches Verzeichniss der von Herrn Ricardo Rohde in Paraguay gesammelten Vögel, und Appendix ... - Berlepsch, Hans Hermann Carl Ludwig,‏ ‎ Graf von, 1850 -1915 (1887)

The taxidermist (Martin & Mignin, 1891)