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unknown - Public Domain
Delvalle - Public Domain
Slowking4 -
George Grantham Bain Collection (Library of Congress) - Public Domain
Mathew Brady - Public Domain
Sarah Ackerman - CC BY 2.0
Jacob Adriaensz. Backer - Public Domain
Tokujin yoshioka inc. - CC BY-SA 4.0
Willard N. Clute, editor. Photographer not listed - Public Domain
Jamshid Nurkulov - CC BY-SA 4.0
Public Domain
Raven Underwood - CC BY 2.0
unknown -
Mliptrot - CC BY-SA 4.0
Pete Souza - Public Domain
Frederick Remsen Hutton - Public Domain
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Atkinson, Edward, 1827-1905
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unknown - Public Domain
Stoker, Florence Balcombe, 1858-1937
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Kopp, Hermann, 1817-1892
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Delvalle - Public Domain
Vargas Vila, José María, 1860-1933
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Slowking4 -
Bourgeois, Roy, 1938-....
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George Grantham Bain Collection (Library of Congress) - Public Domain
Kautsky, Karl, 1854-1938
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unknown - Public Domain
Fletcher, Mary, 1739-1815
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Mathew Brady - Public Domain
Gilmer, John A. (John Adams), 1805-1868
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Sarah Ackerman - CC BY 2.0
Lippa, Andrew
Image from Wikimedia Commons
Jacob Adriaensz. Backer - Public Domain
Breenbergh, Bartholomeus, 1599?-1657
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Tokujin yoshioka inc. - CC BY-SA 4.0
Yoshioka, Tokujin, 1967-....
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Gilardi, Gilardo, 1889-1963
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Matteson, Joel A. (Joel Aldrich), 1808-1873
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Nelson, Willie, 1933-
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unknown - Public Domain
Baines, Edward, 1774-1848
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Willard N. Clute, editor. Photographer not listed - Public Domain
Clute, Willard Nelson, 1869-
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Jamshid Nurkulov - CC BY-SA 4.0
Rashidov, Sharof, 1917-1983
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Stewart, Julius LeBlanc, 1855-1919
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Public Domain
Contee, Benjamin, 1755-1815
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Bayford, Robert Sanders, Baron, 1867-1940
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Raven Underwood - CC BY 2.0
Frewer, Matt, 1958-
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unknown -
Boguski, Józef Jerzy (1853-1933).
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Bush, Vannevar, 1890-1974
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Mliptrot - CC BY-SA 4.0
Pence, Gregory E.
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Corrigan, Douglas, 1907-1995
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unknown - Public Domain
Drayton, Thomas, 1808-1891
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Parnell, Thomas, 1679-1718
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Pete Souza - Public Domain
Benson, Harry.
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Frederick Remsen Hutton - Public Domain
Hunt, Robert W. (Robert Woolston), 1838-1923
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Pu, Ru, 1896-1963