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anonymous - Public Domain
Public Domain
Laura Kolb - CC BY 2.0
National Cyclopaedia of American Biography - Public Domain
Flopinot2012 - CC BY-SA 3.0
Mathew Brady - Public Domain
World Film - Public Domain
Unknown author - Public Domain
Chemical Engineer - CC BY-SA 4.0
Unknown (not specified); possibly from one of Eustachius' books. - Public Domain
Henk Lindeboom / Anefo -
Plimpton Press (Norwood, Massachusetts), publisher. - Public Domain
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Fellenberg, Emanuel von, 1771-1844
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anonymous - Public Domain
Stuart, Ruth Mcenery
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Campigli, Massimo, 1895-1971
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Stephen, E. (Edward), 1822-1885
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Chandler, William E. (William Eaton), 1835-1917
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Pajou, Augustin, 1730-1809
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Public Domain
Stuart, Charles E., 1810-1887
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Kaluta, Michael William
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Laura Kolb - CC BY 2.0
Tate, Buddy
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National Cyclopaedia of American Biography - Public Domain
Johnson, David, 1782-1855
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Carson, Kendel
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Constantinescu, Paul, 1909-1963
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Flopinot2012 - CC BY-SA 3.0
Durey, Louis, 1888-1979
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Van Cott, John, 1814-1883
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Public Domain
Studds, Gerry E. (Gerry Eastman), 1937-2006
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Ghioldi, Américo, 1899-
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Mathew Brady - Public Domain
Belknap, William Worth, 1829-1890
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World Film - Public Domain
Fellowes, Rockcliffe, 1885-1950
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Unknown author - Public Domain
Weyer, Sylvain van de, 1802-1874
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Marston, Hedley R. (Hedley Ralph), 1900-1965
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Chemical Engineer - CC BY-SA 4.0
Hadfield, Robert A. (Robert Abbott), 1858-1940
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Bagot, Richard, 1782-1854
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Unknown (not specified); possibly from one of Eustachius' books. - Public Domain
Eustachi, Bartolomeo, -1574
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Mathew Brady - Public Domain
Ripley, George, 1802-1880
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Stevens, Moses Tyler, 1825-1907
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Guzmán, Nuño de
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Henk Lindeboom / Anefo -
Fresson, Bernard, 1931-2002
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Public Domain
Patton, John, 1850-1907
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Plimpton Press (Norwood, Massachusetts), publisher. - Public Domain
Bull, Melville, 1854-1909
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Public Domain
Berry, James H. (James Henderson), 1841-1913