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Mathew Brady Levin Corot Handy - Public Domain
original uploader - Public Domain
Неизвестны - Public Domain
unidentified photographer (ca. 1875?) - Public Domain
Georges Biard - CC BY-SA 3.0
PLoS - CC BY 3.0
unknown - Public Domain
Masoncheek - CC BY-SA 4.0
Samuel Bellin Thomas Barber - Public Domain
RICHARDJRBP - CC BY-SA 3.0
Situp-cycle - CC BY-SA 4.0
Derek Pell -
Alan Light - CC BY 2.0
Todd Walsh -
Public Domain
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Smarr, Larry L.
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Mathew Brady Levin Corot Handy - Public Domain
Washburn, William B. (William Barrett), 1820-1887
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original uploader - Public Domain
Hansen, P. A. (Peter Andreas), 1795-1874
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Durkheim, Émile, 1858-1917
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Неизвестны - Public Domain
Chapí, Ruperto, 1851-1909
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unidentified photographer (ca. 1875?) - Public Domain
Yesler, Henry L. (Henry Leiter), 1810-1892
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Walters, Henry, 1848-1931
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Georges Biard - CC BY-SA 3.0
Marivin, Anne, 1974-....
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PLoS - CC BY 3.0
Ashburner, M.
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unknown - Public Domain
Rebel, H. (Hans), 1861-
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Kemalpaşazade, 1468 or 1469-1534
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Ali Paşa, Tepedelenli, 1744?-1822
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Abercromby, James, 1706-1781
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Simonides, approximately 556 B.C.-467 B.C.
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Lesser, Wendy
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Spinoza, Benedictus de 1632-1677
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Masoncheek - CC BY-SA 4.0
Friedman, Tom, 1965-....
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Johnston, George, 1797-1855
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unknown - Public Domain
Schytte, Ludvig, 1848-1909
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Gilbert, John, 1817-1897
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Samuel Bellin Thomas Barber - Public Domain
Latrobe, Christian Ignatius, 1758-1836
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RICHARDJRBP - CC BY-SA 3.0
Lasso, Gloria
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Abel, Niels Henrik, 1802-1829
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Situp-cycle - CC BY-SA 4.0
Rubbo, Michael
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Derek Pell -
Pell, Derek
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Alan Light - CC BY 2.0
Marrs, Lee
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Todd Walsh -
McNutt, Marcia Kemper, 1952-
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Public Domain
Winter, Ralph K., 1935-....
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Mitchell, Hugh B. (Hugh Burnton), 1907-1996
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unknown - Public Domain
Lockwood, Henry, 1814-1899