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National Ground Water Association - CC BY 2.5
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Charles G. Crehen, artist. Published in Volume 3 of Mary Louise Booth's "History of New York". - Public Domain
"Lazi" (photographer's mark)[http://www.peterrenn.co.uk/mercedes.html], presumably Adolf Lazi (1884-1955) - Public Domain
The University of Rochester - Public Domain
Stuckey, Norman Bradford -
Gilbert Stuart - Public Domain
unknown - Public Domain
Beverly Golemba - Public Domain
Universities Mission to Central Africa - Public Domain
Jaqen - CC BY-SA 4.0
White House photo by Tina Hager - Public Domain
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National Ground Water Association - CC BY 2.5
Abriola, Linda M., 1954-....
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Goessmann, Charles A. (Charles Anthony), 1827-1910
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User worldeconomicforum - CC BY 2.0
Prahalad, C. K.
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Charles G. Crehen, artist. Published in Volume 3 of Mary Louise Booth's "History of New York". - Public Domain
Watts, John, 1749-1836
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Keating, Kenneth B. (Kenneth Barnard), 1900-1975
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Przerwa-Tetmajer, Kazimierz, 1865-1940
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Leonardo de Argensola, Lupercio, 1559-1613
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Paoli, Pasquale, 1725-1807
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Stoskopff, Sebastian, 1597-1657
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Adams, Roger, 1889-1971
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Crosman, Henrietta, 1861-1944
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Hanriot, François
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Boulliau, Ismaël (1605-1694).
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"Lazi" (photographer's mark)[http://www.peterrenn.co.uk/mercedes.html], presumably Adolf Lazi (1884-1955) - Public Domain
Caracciola, Rudolf, 1901-1959
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Maintenon, Madame de, 1635-1719
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The University of Rochester - Public Domain
Wallis, W. Allen (Wilson Allen), 1912-
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Latzko, Andreas, 1876-1943
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Jabotinsky, Eri, 1910-1969
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Stuckey, Norman Bradford -
Vasey, George Alan, 1895-1945
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Gilbert Stuart - Public Domain
Shepard, William, 1737-1817
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Signac, Paul, 1863-1935
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Stoddart, J. F.
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Barberini, Taddeo, 1603-1647
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unknown - Public Domain
Harvey, William H. (William Henry), 1811-1866
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Beverly Golemba - Public Domain
Vaughan, Dorothy Johnson, 1910-2008
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Universities Mission to Central Africa - Public Domain
Johnson, William Percival, 1854-1928
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Jaqen - CC BY-SA 4.0
Sanderson, Brandon
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Dyer, Henry, 1848-1918
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White House photo by Tina Hager - Public Domain
Prescott, Edward C.
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Failing, Henry, 1834-1898