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unknown photographer -
Artist unknown - Public Domain
Serigne Diagne - CC BY-SA 2.0
Brady-Handy Photograph Collection (Library of Congress) - Public Domain
JCharig - Public Domain
Asclepias - CC BY-SA 3.0
unknown - Public Domain
Kaulak - Public Domain
unknown -
USCapitol - Public Domain
It is unclear as to whether the press materials were distributed by :en:Screen Gems#Television subsidiary: 1948–74 - Public Domain
Roferbia - CC BY-SA 3.0
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Janssens, Francis, 1843-1897
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Warburton, Henry, 1784?-1858
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unknown photographer -
Wenning, Pieter, 1873-1921
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Artist unknown - Public Domain
Martin, Thomas Bryan, 1731-1798
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Serigne Diagne - CC BY-SA 2.0
M'bow, Amadou-Mahtar, 1921-
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Bennett, Wallace F. (Wallace Foster), 1898-1993
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Dresel, Ellis Loring, 1865-1925
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Hilgard, Eugene W. (Eugene Woldemar), 1833-1916
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Lucas, Charles, 1713-1771
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Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Kemper, Jackson, 1789-1870
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JCharig - Public Domain
Cliff, Clarice, 1899-1972
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Asclepias - CC BY-SA 3.0
Masse, Marcel, 1936-
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unknown - Public Domain
Jones, John T. (John Thomas), 1783-1843
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Ernst, Adolfo, 1832-1899
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Ries, Franz
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Moltke, Helmuth von 1848-1916
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Kaulak - Public Domain
Aza, Vital, 1851-1911
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Darnley, Henry Stuart, Lord, 1545-1567
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Saxton, Charles
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Brindley, James, 1716-1772
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unknown -
Mander, Jane
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USCapitol - Public Domain
Nevin, Blanche, 1841-1925
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Knutsford, Sydney Holland, Lord, 1855-1931
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Goudimel, Claude, -1572
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It is unclear as to whether the press materials were distributed by :en:Screen Gems#Television subsidiary: 1948–74 - Public Domain
Anderson, Herbert, 1917-1994
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Werber, Bill, 1908-2009
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Nitobé, Inazo, 1862-1933
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Zwinger, Theodor, 1658-1724
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Roferbia - CC BY-SA 3.0
Connolly, John, 1968-....
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Brønsted, J. N. (Johannes Nicolaus), 1879-1947