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Alexwestmore - CC BY-SA 3.0
State of California - Public Domain
Mieremet, Rob / Anefo -
Erich Correns (painter) - Public Domain
Theodore C. Marceau - Public Domain
unknown photographer - Public Domain
Breitkopf, London - Public Domain
unknown - Public Domain
original uploader - CC BY-SA 2.5
Public Domain
Rob C. Croes / Anefo -
Harris & Ewing - Public Domain
Samuel Masinter - CC BY 2.0
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Alexwestmore - CC BY-SA 3.0
Westmore, Bud, 1916-1973
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Fouke, Philip B. (Philip Bond), 1818-1876
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Gray, James Whiteside.
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State of California - Public Domain
Merriam, Frank Finley, 1865-1955
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Mieremet, Rob / Anefo -
Lecourt, Robert, 1908-2004
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Samuelson, Paul A. (Paul Anthony), 1915-2009
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Erich Correns (painter) - Public Domain
Zwirner, Ernst Friedrich, 1802-1861
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Theodore C. Marceau - Public Domain
Coriat, Isador H. (Isador Henry), 1875-1943
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unknown photographer - Public Domain
MacLeod, Julius, 1857-1919
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Boisfremont, Charles Boulanger de, 1773-1838
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Wade, George, 1673-1748
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Wells, G. Wiley (Guilford Wiley), 1840-1909
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Scott, Mike, 1958-
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Gladwin, Henry, 1729-1791
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Breitkopf, London - Public Domain
Nachèz, Tivadar, 1859-1930
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unknown - Public Domain
Parker, Edgar Randolph, 1872-1952
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unknown - Public Domain
Fabre, Édouard Raymond, 1799-1854
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original uploader - CC BY-SA 2.5
Armstrong, Henry Edward, 1848-1937
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Hoar, Roger Sherman
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Public Domain
Neal, Peter M., 1811-1908
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Stevens, Connie, 1938-
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Bánki, Donát 1859-1922
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Albini, Franco
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Public Domain
Johnson, Joseph, 1738-1809
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Samchuk, Ulas
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Rob C. Croes / Anefo -
Chailly, Riccardo
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Harris & Ewing - Public Domain
Stritch, Samuel Alphonsus, 1887-1958
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Samuel Masinter - CC BY 2.0
Pasquerella, Lynn
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Lamoignon, Guillaume de, 1683-1772
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Chamson, André, 1900-1983