Book 21,492 Book Chapter 2,297 Thesis 1,591 Electronic 1,149 Government Document 816 Conference Proceeding 697 Unknown 149 Kit 147 Audio 130 Manuscript 80 Musical Score 58 Serial 42 Map 26 Journal 25 Photo 17 Physical Object 3 Article 1 Reference Material 1 see all ...

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SpringerLink (Online service) 424 Smithsonian Institution 200 De Gruyter 198 Smithsonian Institution Press 77 Genus, James 76 Westwood, J. O (John Obadiah), 1805-1893 64 Boulenger, George Albert, 1858-1937 63 Yale University 63 United States National Museum 61 Cockerell, Theodore D. A (Theodore Dru Alison), 1866-1948 60 Wheeler, William Morton, 1865-1937 50 Hoole, Charles, 1610-1667 47 Sherff, Earl Edward, 1886-1966 47 Merriam, C. Hart (Clinton Hart), 1855-1942 45 Willis, Thomas, 1621-1675 44 Sclater, Philip Lutley, 1829-1913 43 Gill, Theodore, 1837-1914 42 United States Department of Agriculture 40 Bartsch, Paul, 1871-1960 38 George Clapp Vaillant Book Fund 37 Smith, James Edward, 1759-1828 37 Gray, John Edward, 1800-1875 36 ebrary, Inc 36 Don, David, 1799-1841 35 Lea, Isaac, 1792-1886 35 Miers, John, 1789-1879 35 Thomas, Oldfield, 1858-1929 35 Allen, J. A (Joel Asaph), 1838-1921 34 Cope, E. D (Edward Drinker), 1840-1897 34 Levi, Herbert W (Herbert Walter), 1921-2014 34 see all ...

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