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Photographer-Chidnoff, New York-faint stamp on back-small one at lower left front - Public Domain
Nicolj - CC BY-SA 3.0
Harris & Ewing - Public Domain
Diceman - Public Domain
Public Domain
unknown - Public Domain
Keith Allison - CC BY-SA 2.0
:de:Johann Stephan Decker - Public Domain
George Egerton/Aubrey Beardsley - Public Domain
Mathew Brady - Public Domain
Fermilab -
Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Library of the London School of Economics and Political Science -
US Congress Biographical Directory - Public Domain
Teddyyy - CC BY-SA 3.0
NOAA People Collection - Public Domain
United States Government - Public Domain
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Photographer-Chidnoff, New York-faint stamp on back-small one at lower left front - Public Domain
McDevitt, Ruth, 1895-1976
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Nicolj - CC BY-SA 3.0
Schwartz, Sherwood
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Henry, Philip, 1631-1696
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Harris & Ewing - Public Domain
Gibson, Hugh, 1883-1954
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Diceman - Public Domain
Hindmarsh, John, Sir, 1785-1860
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Rogers, Nathaniel Peabody, 1794-1846
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Public Domain
Griswold, O. W. (Oscar Woolverton), 1886-1959
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unknown - Public Domain
McRae, Dandridge, 1829-1899
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unknown - Public Domain
Persico, Enrico, 1900-1969
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Anderson, John C. (British lithographer, active ca. 1850-1860)
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Keith Allison - CC BY-SA 2.0
Duncan, Tim, 1976-
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:de:Johann Stephan Decker - Public Domain
Iffland, August Wilhelm, 1759-1814
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George Egerton/Aubrey Beardsley - Public Domain
Egerton, George, 1859-1945
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Flexner, Abraham, 1866-1959
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Mathew Brady - Public Domain
Briggs, George, 1805-1869
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Fermilab -
Lee, Benjamin W.
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Parsons, Edwin C.
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Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Redstone, Sumner.
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unknown - Public Domain
Dwan, Dorothy, 1906-1981
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Milles, Jeremiah, 1714-1784
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LeFevre, Robert, 1911-
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Library of the London School of Economics and Political Science -
Adams, Walter, 1906-
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Puck, Wolfgang
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US Congress Biographical Directory - Public Domain
Anderson, Joseph, 1757-1837
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Public Domain
Townsend, John G., 1871-1964
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Teddyyy - CC BY-SA 3.0
Darc, Mireille, 1938-....
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Landriani, Marsilio, 1751-1815
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NOAA People Collection - Public Domain
Hassler, F. R. (Ferdinand Rudolph), 1770-1843
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Wyllie, Meg 1917-2002
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United States Government - Public Domain
Mardian, Robert Charles, 1923-2006