Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1904)

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

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1934)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1946)

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1951)

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

Smithsonian miscellaneous collections - Smithsonian Institution (Smithsonian Institution, 1953)

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

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

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

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

Smithsonian scientific series - Smithsonian Institution (Smithsonian Institution Series, Inc, 1931)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1965)

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, 1986)

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

Societatum litterae (R. Friedländer, 1890)

Southeastern biology - Association of Southeastern Biologists. (Association of Southeastern Biologists, 2023)

Special bulletin - Smithsonian Institution (Government Printing Office, 1895)

Special publication / the University of Kansas, Natural History Museum - University of Kansas. Museum of Natural History. (The Museum, 2017)

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1970)

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

Special scientific report. Wildlife - U.S. Fish; Wildlife Service (The Service, 1973)

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

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

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

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

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)

Station bulletin - New Hampshire Agricultural Experiment Station. (Agricultural Experiment Station, University of New Hampshire, 1948)

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

Strange dwellings : being a description of the habitations of animals, abridged from 'Homes without hand' - Wood, J. G. (John George), 1827 -1889 (Longmans, Green, 1903)

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

The student's natural history - Baird, William, 1803 -1872 (C. Griffin, 1863)

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, 1898)

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

Studies of Peruvian birds. No. 56, The genera Eutoxeres, Campylopterus, Eupetomena, and Florisuga - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1950)

Studies of Peruvian birds. No. 58, The genera Chlorostilbon, Thalurania, Hylocharis, and Chrysuronia - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1950)

Studies of Peruvian birds. No. 61, The genera Aglaeactis, Lafresnaya, Pterophanes, Boissonneaua, Heliangelus, Eriocnemis, Haplophaedia, Ocreatus, and Lesbia - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1951)

Studies of Peruvian birds. No. 55, The hummingbird genera Doryfera, Glaucis, Threnetes, and Phaethornis - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1950)

Studies of Peruvian birds. No. 63, The hummingbird genera Oreonympha, Schistes, Heliothryx, Loddigesia, Heliomaster, Rhodopis, Thaumastura, Calliphlox, Myrtis, Myrmia, and Acestrura - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1953)

Studies of Peruvian birds. No. 59, The genera Polytmus, Leucippus, and Amazilia - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1950)

Studies of Peruvian birds. No. 60, The genera Heliodoxa, Phlogophilus, Urosticte, Polyplancta, Adelomyia, Coeligena, Ensifera, Oreotrochilus and Topaza - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1951)

Studies of Peruvian birds. No. 57, The genera Colibri, Anthracothorax, Klais, Lophornis, and Chlorestes - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1950)

Studies of Peruvian birds. No. 62, The hummingbird genera Patagona, Sappho, Polyonymus, Ramphomicron, Metallura, Chalcostigma, Taphrolesbia, and Aglaiocercus - Zimmer, John T. (John Todd), 1889 -1957 (American Museum of Natural History, 1952)