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Contemporary portrait - Public Domain
Smithsonian Institution -
George Grantham Bain Collection (Library of Congress) - Public Domain
unknown - Public Domain
Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
Joella MaranoFlickrreview - CC BY-SA 2.0
original uploader - CC BY 2.5
Konrad Jacobs - CC BY-SA 2.0
Frederick D. Stone - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
anonymous - Public Domain
Wotancito - CC BY-SA 3.0
Thomas William Herringshaw, author. Published by American Publishers' Association, Chicago. - Public Domain
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Leonard, Elijah, 1814-1891
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Quarles, Francis, 1592-1644
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Cross, David, 1964-....
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Farnsworth, Philo Taylor, 1906-1971
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Contemporary portrait - Public Domain
Jones, Griffith, 1683-1761
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Meiners, C. (Christoph), 1747-1810
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Ironside, Gilbert, 1588-1671
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Smithsonian Institution -
Lober, Georg John, 1892-1961
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Cowie, William Garden, 1831-1902
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George Grantham Bain Collection (Library of Congress) - Public Domain
Rubinstein, Helena, 1870-1965
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unknown - Public Domain
Hugo, Adéle, 1830-1915
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Coburn, Alvin Langdon, 1882-1966 -- Photographer - Public Domain
Bax, Clifford, 1886-1962
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Bergen, Christopher A.
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Joella MaranoFlickrreview - CC BY-SA 2.0
Minnelli, Liza
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Pellerin, Joseph, 1684-1782
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original uploader - CC BY 2.5
Terry, Sonny
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Dale, Alan, 1947-
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Konrad Jacobs - CC BY-SA 2.0
Mahler, Kurt.
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Price, Harry, 1881-1948
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Rainborow, Thomas, -1648
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Frederick D. Stone - Public Domain
Bradford, William, 1719-1791
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Mathew Brady Levin Corot Handy - Public Domain
Errett, Russell
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Richardson, Elliot L., 1920-1999
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anonymous - Public Domain
Pratella, Francesco Balilla, 1880-1955
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Ritz, Charles C.
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Wotancito - CC BY-SA 3.0
Mérida, Carlos, 1891-1984
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unknown - Public Domain
Guthe, Karl Eugen, 1866-1915
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Dahlkemper, Kathy, 1957-
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Thomas William Herringshaw, author. Published by American Publishers' Association, Chicago. - Public Domain
Ray, George W. (George Washington), 1844-1925
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Henry, Josephine K.