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unknown - Public Domain
Frederick Yeates Hurlstone - Public Domain
N509FZ - CC BY-SA 4.0
Pedro Felipe - CC BY-SA 3.0
user at project - Public Domain
unknown photographer -
RobertoTenore - CC BY-SA 3.0
Internet Archive Book Images -
Michiel Jansz. van Mierevelt - Public Domain
Congressional portrait, unknown photographer - Public Domain
original uploader -
Nv8200p - CC BY-SA 3.0
Public Domain
nicolas genin - CC BY-SA 2.0
unknown -
Etienne Gaspard Robertson - Public Domain
original uploader - Public Domain
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Fuller, Henry Blake, 1857-1929
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unknown - Public Domain
Hutchinson, J. Edward (Jesse Edward), 1914-1985
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O'Reilly, Bill, 1905-
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John, Otto, 1909-1997
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Frederick Yeates Hurlstone - Public Domain
Hurlstone, Frederick Yeates, 1800-1869
Image from Wikimedia Commons
N509FZ - CC BY-SA 4.0
Chung, Kyung-Wha
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Pedro Felipe - CC BY-SA 3.0
Bursztyn, Feliza
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Lambert, Christopher, 1957-
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user at project - Public Domain
Vishniac, Roman, 1897-1990
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Meredith, George, 1828-1909
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unknown photographer -
Pijper, Willem
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Rumshinsky, Joseph, 1881-1956
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RobertoTenore - CC BY-SA 3.0
Klass, Philip J.
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Drummond, Samuel, 1763?-1844
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Vaillant-Couturier, Paul, 1892-1937
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unknown - Public Domain
Thorndike, Edward L. (Edward Lee), 1874-1949
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Internet Archive Book Images -
Swinnerton, Frank, 1884-1982
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Michiel Jansz. van Mierevelt - Public Domain
Carleton, Dudley, Viscount Dorchester, 1573-1632
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Gallo, Fortune T., 1878-1970
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unknown - Public Domain
Hulme, Kathryn, 1900-1981
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Rizal, José, 1861-1896
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Congressional portrait, unknown photographer - Public Domain
Fisher, Joseph L.
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original uploader -
Popenoe, Paul, 1888-1979
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Nv8200p - CC BY-SA 3.0
Widmer, Edward L.
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Public Domain
Johann Georg Sachsen-Weissenfels 1677-1712 Herzog
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unknown - Public Domain
Tobin, James, 1918-2002
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nicolas genin - CC BY-SA 2.0
Stanton, Andrew.
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unknown -
Duvalier, François, 1907-1971
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Etienne Gaspard Robertson - Public Domain
Robertson, Étienne-Gaspard, 1763-1837
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original uploader - Public Domain
Burritt, Bailey B. (Bailey Barton), 1878-1953