Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1972)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1984)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1972)

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

Societatum litterae (R. Friedländer, 1887)

Societatum litterae (R. Friedländer, 1893)

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

Song birds and water fowl - Parkhurst, H. E. (Howard Elmore), 1848 -1916 (C. Scribner's sons, 1897)

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Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1966)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1972)

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1975)

Species of special concern in Pennsylvania - Genoways, Hugh H. (Carnegie Museum of Natural History, 1985)

Species taxa of North American birds; a contribution to comparative systematics - Mayr, Ernst, 1904 -2005 (The Club, 1970)

Specific limits of the Yucatan flycatcher, Myiarchus yucatanensis - Lanyon, Wesley E. (American Museum of Natural History, 1965)

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

Die stämme der wirbeltiere - Abel, Othenio, 1875 -1946 (W. de Gruyter, 1919)

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

The story of the birds : being an introduction to the study of ornithology - Dixon, Charles, 1858 -1926 (George Allen, 1900)

The structure and classification of birds - Beddard, Frank E. (Frank Evers), 1858 -1925 (Longmans, Green, and co, 1898)

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, 1905)

A student's text-book of zoology - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (S. Sonnenschein and Co., ltd, 1932)

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

Studies of tropical American birds - Nuttall Ornithological Club. (The Club, 1972)

Studies scientific & social / by Alfred Russel Wallace - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co., limited, 1900)

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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)

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, 1983)

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Syringeal morphology, phylogeny, and evolution of the neotropical manakins (Aves, Pipridae) - Prum, Richard O. (American Museum of Natural History, 1992)

A systematic list of the birds of California - Grinnell, Joseph, 1877 -1939 (Cooper Ornithological Club, 1912)

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Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1877)

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Type specimens of birds in the American Museum of Natural History. Eurylaimidae, Dendrocolaptidae, Furnariidae, Formicariidae, Conopophagidae, and Rhinocryptidae. Part 3, Passeriformes - American Museum of Natural History (American Museum of Natural History, 2000)

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