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Bain - Public Domain
Mathew Brady - Public Domain
Bain News Service, publisher - Public Domain
Charles John Robertson (born 1779?) - Public Domain
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Mystic Meg - CC BY-SA 3.0
unknown - Public Domain
Public Domain
unknown, possibly w:Robert Walter Weir - Public Domain
unknown photographer - Public Domain
J. Gurney & Sons, fl. ca. 1850-1870 - Photographer - Public Domain
Gustav Brühl, Cincinnati - Public Domain
Contemporary Portrait - Public Domain
Bertha Spafford Vester - CC BY-SA 2.5
Stephencdickson - CC BY-SA 4.0
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Bain - Public Domain
Townsend, Harry Everett
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Mathew Brady - Public Domain
Kendall, Amos, 1789-1869
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Pratt, Matthew, 1734-1805
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Jones, Robert, Sir, 1858-1933
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Bain News Service, publisher - Public Domain
Mott, Lewis Freeman, 1863-1941
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Campbell, Alexander, Sir, 1822-1892
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Charles John Robertson (born 1779?) - Public Domain
Beale, William
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Stevenson, Edward (Edward M.)
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Omar Khayyām
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Mystic Meg - CC BY-SA 3.0
Carr, Bernard, 1949-
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Hegar, Friedrich, 1841-1927
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unknown - Public Domain
Hodgson, Laurence C. (Laurence Curran), 1874-1937
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unknown - Public Domain
Ordzhonikidze, Sergo, 1886-1937
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Adams, Stanley, 1915-1977
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Public Domain
Jeppson, Morris R. (Morris Richard), 1922-2010
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Sèze, Raymond de 1748-1828
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unknown, possibly w:Robert Walter Weir - Public Domain
Poinsett, Joel Roberts, 1779-1851
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Coccius, Ernst Adolf, 1825-1890
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Weiller, Paul-Louis, 1893-1993
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Milligan, Spike, 1918-2002
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Comte-Sponville, André
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unknown photographer - Public Domain
Kelly, Luther S. (Luther Sage), 1849-1928
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Holt, John, Sir, 1642-1710
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J. Gurney & Sons, fl. ca. 1850-1870 - Photographer - Public Domain
Lovejoy, Owen, 1811-1864
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Gustav Brühl, Cincinnati - Public Domain
Brühl, Gustav 1826-1903
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Contemporary Portrait - Public Domain
Orton, Harlow S., 1817-1895
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Brown, Mather, 1761-1831
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Bertha Spafford Vester - CC BY-SA 2.5
Spafford, Anna T., 1842-1923
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Stephencdickson - CC BY-SA 4.0
Kinnaird, George William Fox Kinnaird, Baron, 1807-1878
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Gilbreth, Frank Bunker, 1868-1924