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Public Domain
Knud Bergslien - Public Domain
unknown - Public Domain
William Curtis Taylor Portrait Photographs, c. 1876 - Public Domain
Rudolph HoffmannFoto: Peter Geymayer (Date - Public Domain
Atmundi - CC BY-SA 3.0
Gage Skidmore - CC BY-SA 3.0
Jarekt - CC BY-SA 3.0
Abebenjoe - CC BY-SA 3.0
Eamon Curry - CC BY 2.0
Corey Bond -
GPO photographer - Public Domain
Brachyrhynchos5 - CC BY-SA 3.0
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Caldwell, Alexander, 1830-1917
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Wood, De Volson, 1832-1897
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Public Domain
Smith, Jerome Van Crowninshield, 1800-1879
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Knud Bergslien - Public Domain
Maurer, Konrad von 1823-1902
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Ravilious, Eric William, 1903-1942
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unknown - Public Domain
Coolbrith, Ina D. (Ina Donna), 1842?-1928
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Public Domain
De Lussan, Zélie, 1861-1949
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Huxley, Aldous, 1894-1963
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William Curtis Taylor Portrait Photographs, c. 1876 - Public Domain
Dougherty, Daniel, 1826-1892
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Godley, Alexander, Sir, 1867-1957
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Rudolph HoffmannFoto: Peter Geymayer (Date - Public Domain
Ritter, Carl, 1779-1859
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Atmundi - CC BY-SA 3.0
Dassanowsky, Elfriede von
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Gage Skidmore - CC BY-SA 3.0
Stillman, Whit, 1952-....
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Jarekt - CC BY-SA 3.0
Merten, Alan G.
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Hynek, J. Allen (Joseph Allen), 1910-1986
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Pictet de Rochemont, Charles, 1755-1824
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Abebenjoe - CC BY-SA 3.0
Turner, John N.
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Morris, May, 1862-1938
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Eamon Curry - CC BY 2.0
Sherwin, Ralph, Saint, 1550-1581
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Vartan, Michael
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Crook, John Hurrell
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Corey Bond -
Schultz, Dwight
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Cayetano, Benjamin J. (Benjamin Jerome), 1939-
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Black, Samuel W., 1818-1862
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Perl, Joseph, 1773-1839
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Waddy, Samuel Danks
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unknown - Public Domain
Korematsu, Fred, 1919-2005
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Jurieu, Pierre, 1637-1713
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GPO photographer - Public Domain
Impellitteri, Vincent R. (Vincent Richard), 1900-1987
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Brachyrhynchos5 - CC BY-SA 3.0
Schneirla, T. C. (Theodore Christian), 1902-1968