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Brattleboro Historical Society - Public Domain
unknown - Public Domain
Harris & Ewing - Public Domain
Arnold Genthe - Public Domain
Internet Archive Book Images -
Marshall Astor - CC BY-SA 2.0
Public Domain
National Institutes of Health - Public Domain
Roferbia - CC BY-SA 4.0
unknown -
Mathew Brady Levin Corot Handy - Public Domain
Photogravure after Lance Calkin (1859–1936) - Public Domain
Chancellery of the President of the Republic of Poland -
http://www.wikiartis.com/en/profile-picture/jenny-holzer/ - CC BY-SA 4.0
Central Intelligence Agency - Public Domain
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Swift, Jonathan, 1667-1745
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Brattleboro Historical Society - Public Domain
Fuller, Levi K. (Levi Knight), 1841-1896
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unknown - Public Domain
Girard, Narcisse, 1797-1860
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Atkinson, Rowan
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Harris & Ewing - Public Domain
Clark, Austin Hobart, 1880-1954
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Peckham, Rufus W., 1809-1873
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Arnold Genthe - Public Domain
King, Ginevra, 1898-1980
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Baker, Josephine, 1906-1975
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Internet Archive Book Images -
Newell, Frederick Haynes, 1862-1932
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Marshall Astor - CC BY-SA 2.0
Iturbide, Graciela, 1942-....
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Ernesti, Johann August, 1707-1781
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Public Domain
Trefilova, Vera, 1875-1943
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National Institutes of Health - Public Domain
Kirschstein, Ruth L.
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Roferbia - CC BY-SA 4.0
Manns, Patricio, 1937-....
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unknown -
Freinsheim, Johann, 1608-1660
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Ørsted, Hans-Christian, 1777-1851
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Mathew Brady Levin Corot Handy - Public Domain
Roosevelt, Robert Barnwell, 1829-1906
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Photogravure after Lance Calkin (1859–1936) - Public Domain
Jackson, J. Hughlings (John Hughlings), 1835-1911
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Chancellery of the President of the Republic of Poland -
Klestil, Thomas, 1933-
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http://www.wikiartis.com/en/profile-picture/jenny-holzer/ - CC BY-SA 4.0
Holzer, Jenny, 1950-....
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Fabre, Jean
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Raskin, Jef, 1943-2005
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Carré, Marguerite, 1880-1947
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unknown - Public Domain
Nichols, William Henry, 1852-1930
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Barocci, Federigo, 1528-1612
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Leenhoff, Suzanne, 1829-1906
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Bernard, Marc, 1900-1983
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Central Intelligence Agency - Public Domain
Woolsey, R. James, 1941-
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Semlin, C. A. (Charles Augustus), 1836-1927
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Hamilton, William, Sir, 1788-1856