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UNM - Public Domain
The Library of Congress - Public Domain
Scan from Doug C. - CC BY-SA 3.0
unknown photographer - Public Domain
Markell hayes -
Scanned and uploaded by JGHowes - Public Domain
Andreas Vartdal - CC BY-SA 3.0
Hans Ulrich Alt - Public Domain
No photographer credited - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
original uploader - Public Domain
unknown - Public Domain
Shlomit Shulov-Barkan -
Adam Hammer - CC BY 2.0
Huitzilopoc - CC BY-SA 4.0
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Waitz, Grete, 1953-2011
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UNM - Public Domain
Schmidly, David J., 1943-
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Hand, Edward, 1744-1802
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The Library of Congress - Public Domain
Driscoll, Clara, 1881-1945
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Smith, Colvin, 1795-1875
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Slemons, William F. (William Ferguson), 1830-1918
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Ellis, William Webb, 1807-1872
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McKay, Nellie, 1984-
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Scan from Doug C. - CC BY-SA 3.0
Hayford, John Fillmore., 1868-1925
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unknown photographer - Public Domain
Dijksterhuis, E.J. (Eduard Jan), 1892-1965
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Markell hayes -
Rolston, Matthew
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Scanned and uploaded by JGHowes - Public Domain
Hale, Bessie, 1841-1915
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Andreas Vartdal - CC BY-SA 3.0
Lie, Haakon, 1905-2009
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Korbut, Olga, 1955-
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Hans Ulrich Alt - Public Domain
Andreae, Jakob, 1528-1590
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No photographer credited - Public Domain
Willis, Frances Elizabeth, 1899-1983
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McDowell, Malcolm, 1943-....
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McConnell, Michael, 1942-
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George Grantham Bain Collection (Library of Congress) - Public Domain
Heller, Edmund, 1875-1939
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original uploader - Public Domain
Houck, Leo F. (Leo Florian), 1888-1950
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Meigs, Return Jonathan, 1764-1825
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Budge, William, 1828-1919
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unknown - Public Domain
Burnham, S. W. (Sherburne Wesley), 1838-1921
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Shlomit Shulov-Barkan -
Shulov, Aharon
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Segal, Arthur, 1875-1944
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Hussey, Obed, 1792-1860
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Adam Hammer - CC BY 2.0
Guthrie, Arlo
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Hamilton, William, 1777-1859
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Murray, William Vans, 1760-1803
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Huitzilopoc - CC BY-SA 4.0
Wilson, Frank, 1887-1970