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User at project link - Public Domain
Internet Archive Book Images -
Anonymous - Public Domain
unknown - Public Domain
Bain - Public Domain
Public Domain
NASA - Public Domain
Not credited - Public Domain
MrFic - CC BY-SA 4.0
Mathew Brady - Public Domain
NBC Television - Public Domain
Uknown, Subject in the photo died on 10th October, 1862, thus more than 70 years have passed since taken. - Public Domain
- - CC BY-SA 4.0
Homo olympus - CC BY 2.0
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User at project link - Public Domain
Schell, Maria, 1926-2005
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Internet Archive Book Images -
Draper, A. S. (Andrew Sloan), 1848-1913
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Leverhulme, William Hesketh Lever, Viscount, 1851-1925
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Eybeschuetz, Jonathan, -1764
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Anonymous - Public Domain
Evans, W. W. (Walton White), 1817-1886
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unknown - Public Domain
Osterc, Slavko
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Bain - Public Domain
Patterson, I. L. (Isaac Lee), 1859-1929
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Ludovisi, Ludovico, 1595-1632
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Nitsch, Hermann, 1938-....
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unknown - Public Domain
Sherman, Robert, 1932-
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Public Domain
Gayarre, Julián 1844-1890
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Vassar, Matthew, 1792-1868
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NASA - Public Domain
England, Anthony W.
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Not credited - Public Domain
Jackson, William, 1823-1890
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Brooks, Maria Gowen, 1794 or 1795-1845
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MrFic - CC BY-SA 4.0
Huet, Paul, 1803-1869
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Conway of Conway Castle, Edward Conway, Viscount, 1623-1683
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Phelan, James, 1821-1873
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Eiffel, Gustave, 1832-1923
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Mathew Brady - Public Domain
Palmer, Innis Newton, 1824-1900
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NBC Television - Public Domain
Seymour, Anne, 1909-1988
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NASA - Public Domain
Ewing, W. Maurice (William Maurice), 1906-1974
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Bat̕a, Tomáš
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Uknown, Subject in the photo died on 10th October, 1862, thus more than 70 years have passed since taken. - Public Domain
Thorp, Charles, 1783-1862
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Olivier, Charles P. (Charles Pollard), 1884-
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- - CC BY-SA 4.0
Marly, Anna, 1917-2006
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Colburn, Waldo, 1824-1885
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Homo olympus - CC BY 2.0
Kitt, Eartha, 1927-2008
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Singleton, Mary Littlejohn, 1926-1980
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Tavernier, Jules, 1844-1889