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Staff Photographers - CC BY-SA 4.0
A. Brauer - Public Domain
Georg Emil Hansen - Public Domain
Photographer not credited - Public Domain
Universities Mission to Central Africa - Public Domain
James Craig Annan - Public Domain
Hors-la-loi - CC BY-SA 4.0
Henry Raeburn (1756–1823) - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Antje von Graevenitz - CC BY-SA 3.0
National Geographic Society - Public Domain
unknown -
Michael Stewart for the w:National Endowment for the Arts - Public Domain
Everts & Fariss (Philadelphia), publishers. - Public Domain
George Charles Beresford - Public Domain
US Center of Military History - Public Domain
David Lawrence Pierson, author. Lewis Historical Publishing Company (New York, NY), publisher. - Public Domain
gdcgraphics -
unknown - Public Domain
Image from Wikimedia Commons
Staff Photographers - CC BY-SA 4.0
Cronquist, Arthur
Image from Wikimedia Commons
A. Brauer - Public Domain
Robida, Albert, 1848-1926
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Georg Emil Hansen - Public Domain
Neruda, Franz, 1843-1915
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Annunzio, Frank
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Burrows, Stuart
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Whittaker, Jim, 1929-
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Photographer not credited - Public Domain
Lassiter, Francis Rives, 1866-1909
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Universities Mission to Central Africa - Public Domain
Johnson, William Percival, 1854-1928
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James Craig Annan - Public Domain
Mackintosh, Margaret Macdonald, 1864-1933
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Hors-la-loi - CC BY-SA 4.0
Flower, Edward Fordham, 1805-1883
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Henry Raeburn (1756–1823) - Public Domain
Campbell, Frederick, Lord, 1729-1816
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George Grantham Bain Collection (Library of Congress) - Public Domain
Schwimmer, Rosika, 1877-1948
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Wordsworth, Dorothy, 1771-1855
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Antje von Graevenitz - CC BY-SA 3.0
Graevenitz, Gerhard von 1934-1983
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National Geographic Society - Public Domain
Gore, James Howard, 1856-1939
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unknown -
Iolas, Alexandros, 1908-1987
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Conrart, Valentin, 1603-1675
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Michael Stewart for the w:National Endowment for the Arts - Public Domain
Kunzel, Erich
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Farnese, Ranuccio, Duke of Parma and Piacenza, 1630-1694
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Everts & Fariss (Philadelphia), publishers. - Public Domain
Prentiss, John Holmes, 1784-1861
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Meighen, Arthur, 1874-1960
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George Grantham Bain Collection (Library of Congress) - Public Domain
Pulitzer, Ralph, 1879-1939
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George Charles Beresford - Public Domain
Rothenstein, William, 1872-1945
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US Center of Military History - Public Domain
Morgan, Wallace
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Young, John, 1811-1878
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David Lawrence Pierson, author. Lewis Historical Publishing Company (New York, NY), publisher. - Public Domain
Blake, John L. (John Lauris), 1831-1899
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Phelps, William Wines, 1792-1872
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gdcgraphics -
Hennessy, Jill, 1968-
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unknown - Public Domain
Auenbrugger, Leopold, 1722-1809
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Mercer, Henry C., 1856-1930