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Gage Skidmore - CC BY-SA 3.0
U.S. Navy -
Department of Housing and Urban Development. Office of Administrative and Management Services. Multimedia Division. Publications Branch. Multimedia Library, (2000 - ) (Most Recent) - Public Domain
Anonymous, no author disclosure - Public Domain
Studio Benque & Co., Paris - Public Domain
anonymous - Public Domain
unknown - Public Domain
''Onbekend''/Anonymous - Public Domain
user at project - CC0 1.0
Portrait by Joshua Horner - Public Domain
Repro: Albert H. Payne († 1902) - Public Domain
Tasha French (Frenchpress -
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Gage Skidmore - CC BY-SA 3.0
Guinee, Tim
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Cardano, Girolamo, 1501-1576
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U.S. Navy -
Colbert, Richard G., -1973
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Bordogni, Marco, 1789-1856
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Hunter, Henry, 1741-1802
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Spencer, John Poyntz Spencer, Earl, 1835-1910
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Department of Housing and Urban Development. Office of Administrative and Management Services. Multimedia Division. Publications Branch. Multimedia Library, (2000 - ) (Most Recent) - Public Domain
Green, A. C., 1963-
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Anonymous, no author disclosure - Public Domain
Albrecht, Berty, 1893-1943
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Studio Benque & Co., Paris - Public Domain
Talazac, Jean-Alexandre
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anonymous - Public Domain
Shiel, M. P. (Matthew Phipps), 1865-1947
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unknown - Public Domain
Danbé, J. (Jules), 1840-1905
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Redi, Francesco, 1626-1698
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Doniger, Wendy
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Leader, Benjamin Williams, 1831-1923
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Cook, Edward Tyas, Sir, 1857-1919
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Bergsten, C. Fred, 1941-....
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''Onbekend''/Anonymous - Public Domain
Soekarno, 1901-1970
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anonymous - Public Domain
Nichols, Beverley, 1898-1983
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user at project - CC0 1.0
Cobbe, Charles, 1687-1765
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Portrait by Joshua Horner - Public Domain
Lister, Anne, 1791-1840
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Kyle, E. J. (Edwin Jackson), 1876-
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Repro: Albert H. Payne († 1902) - Public Domain
Klafsky, Katharina 1855-1896
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Tasha French (Frenchpress -
Jackson, Shelley.
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Tilton, Théodore 1835-1907
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Brown, Nicholas Edward, 1849-1934
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Guilfoyle, W. R. (William Robert), approximately 1840-1912
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unknown - Public Domain
Swallow, Silas Comfort, 1839-1930
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Rode, Helge, 1870-1937
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Leeds, Thomas Osborne, Duke of, 1631-1712
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Brongniart, Alexandre-Théodore, 1739-1813