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unknown - Public Domain
Cyclopedia Company Limited - CC BY-SA 3.0
original uploader - Public Domain
Internet Archive Book Images -
DrSchaub - CC BY-SA 4.0
Lyle, Maria Catharine Nourse - Public Domain
Pictorial and Biographical Publishing Company, Salisbury, Missouri - Public Domain
Original uploader was wWwwhatsup -
Contemporary portrait - Public Domain
anonymous authors of dictionary - Public Domain
Unidentified (Ensian published by University of Michigan). - Public Domain
Nightscream -
:de:Benutzer:Eilmeldung - CC BY-SA 2.0
Richard Caton Woodville (American, 1825-1855) (Artist) - Public Domain
U.S. Naval Historical Center Photograph - Collection of Vice Admiral Dixwell Ketcham. - Public Domain
A. G Hopkins -
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Capern, Edward, 1819-1894
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Blumenfeld, Ralph D. (Ralph David), 1864-1948
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Rodrigues, J. Barbosa (João Barbosa), 1842-1909
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unknown - Public Domain
Ullmann, Viktor
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unknown - Public Domain
Auer v. Welsbach, Carl (Auer von Welsbach), 1858-1929
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Best, Denzil
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Cyclopedia Company Limited - CC BY-SA 3.0
Thomson, John Turnbull
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original uploader - Public Domain
Breckinridge, Clifton Rodes, 1846-1932
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unknown - Public Domain
Rothwell, Walter H. (Walter Henry), 1872-1927
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Internet Archive Book Images -
Emerson, William K.
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DrSchaub - CC BY-SA 4.0
Conybeare, C. A. V. (Charles Augustus Vansittart)
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Lyle, Maria Catharine Nourse - Public Domain
Nourse, Joseph, 1754-1841
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Pictorial and Biographical Publishing Company, Salisbury, Missouri - Public Domain
Edwards, John, 1804-1887
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Lurie, Ranan R., 1932-
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Duponchel, Henri, 1795-1868
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Tucker, Alfred, 1849-1914
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Original uploader was wWwwhatsup -
Sudden, Nikki
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Tallmadge, James, 1778-1853
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Jean Paul, 1763-1825
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Contemporary portrait - Public Domain
Dodge, William E. (William Earl), 1805-1883
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anonymous authors of dictionary - Public Domain
Mills, Simeon, 1810-1895
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Unidentified (Ensian published by University of Michigan). - Public Domain
Lane, Mark, 1927-....
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Nightscream -
Thompson, Maggie
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Lesser, Wendy
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:de:Benutzer:Eilmeldung - CC BY-SA 2.0
Stolpe, Manfred
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Richard Caton Woodville (American, 1825-1855) (Artist) - Public Domain
Woodville, Richard Caton, 1825-1855
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Stanbery, Henry, 1803-1881
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U.S. Naval Historical Center Photograph - Collection of Vice Admiral Dixwell Ketcham. - Public Domain
Bogan, Gerald F. (Gerald Francis), 1894-1973
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A. G Hopkins -
Hopkins, A. G. (Antony G.)
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McCaffrey, Anne, 1926-2011