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Paul W. Drew - CC BY-SA 2.0
unknown - Public Domain
Summerdrought - CC BY-SA 4.0
Unknown - Public Domain
various - CC BY 4.0
Georges Biard - CC BY-SA 3.0
Ryan, Eva - Public Domain
Photographer not named. PD-Norway50 - Public Domain
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Kluge, Günther von 1882-1944
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Tertullian ca. 160-ca. 230
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Paul W. Drew - CC BY-SA 2.0
Charo
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Dou, Gérard, 1613-1675
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unknown - Public Domain
Birtles, Francis
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unknown - Public Domain
Benson, Ezra T. (Ezra Taft), 1811-1869
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Bradley, Lisa, 1951-
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Finlay, Robert, Sir
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Hazzi, Joseph, Ritter von, 1768-1845
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Murray, Don, 1929-....
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Summerdrought - CC BY-SA 4.0
Mackay, Donald, 1870-1958
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unknown - Public Domain
Gordon, John Brown, 1832-1904
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unknown - Public Domain
Albuquerque, Afonso de, 1453-1515
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unknown - Public Domain
Macdonough, Thomas, 1783-1825
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Fitch, Alva R. (Alva Revista), 1907-
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Unknown - Public Domain
Greenwood, Charlotte, 1890-1977
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various - CC BY 4.0
Millward, Jessie, 1861-1932
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unknown - Public Domain
Retana, W. E. (Wenceslao Emilio), 1862-1924
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Huntington, Collis Potter, 1821-1900
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Perrault, Maurice, 1857-1909
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Stephenson, Isaac, 1829-1918
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Sarti, Giuseppe, 1729-1802
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Macleod, Norman Alasdair 1927-1991
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Fleagle, Brick
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unknown - Public Domain
Winkelmann, Hermann, 1849-1912
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Georges Biard - CC BY-SA 3.0
Perez, Vincent
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Ryan, Eva - Public Domain
Allerton, Ellen P. (Ellen Palmer), 1835-1893
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unknown - Public Domain
Fox, Fontaine, 1884-1964
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Prud'hon, Pierre-Paul, 1758-1823
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Photographer not named. PD-Norway50 - Public Domain
Sverdrup, H.U. (Harald Ulrik), 1888-1957