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unknown - Public Domain
Canadian Film Centre - CC BY 2.0
Public Domain
Adam63 - CC BY-SA 3.0
Krayfish - CC BY-SA 3.0
Contemporary portrait - Public Domain
Vishnugsr - CC BY-SA 3.0
2nd ed. of "The Trial of Oscar Slater" by William Roughead, published 1915 in Edinburgh - Public Domain
Internet Archive Book Images - Public Domain
Karl Bulla - Public Domain
Henry Bataille - Public Domain
Unknown (US Geological Survey) - Public Domain
The Schwadron Collection of the National Library of Israel - Public Domain
anonymous - Public Domain
Image from Wikimedia Commons
unknown - Public Domain
Brenner, Victor D. (Victor David), 1871-1924
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unknown - Public Domain
Wegner, Armin T., 1886-1978
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Canadian Film Centre - CC BY 2.0
Richings, Julian, 1955-
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Public Domain
Mills, Elijah Hunt, 1776-1829
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unknown - Public Domain
Albach-Retty, Rosa, 1874-1980
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Berthet, Élie, 1818-1891
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Adam63 - CC BY-SA 3.0
Ferencz, Benjamin Berell, 1920-2023
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Eber, Paul, 1511-1569
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Public Domain
Candee, Helen Churchill, 1861-1949
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Basire, Claude, 1764-1794
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Mezzrow, Mezz, 1899-1972
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Krayfish - CC BY-SA 3.0
Fishelson, David
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Price, M. Elizabeth (Mary Elizabeth), 1877-1965
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Wildman, John, Sir, 1621?-1693
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Tucker, Preston, 1903-1956
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Schaudinn, Friedrich Richard, 1871-1906
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Contemporary portrait - Public Domain
Billings, Frederick, 1823-1890
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Bright, John M. (John Morgan), 1817-1911
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Vishnugsr - CC BY-SA 3.0
Reddy, D. Raj (Dabbala Raj), 1937-
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2nd ed. of "The Trial of Oscar Slater" by William Roughead, published 1915 in Edinburgh - Public Domain
Slater, Oscar, 1872-1948
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Internet Archive Book Images - Public Domain
Mooers, Benjamin, 1758-1838
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Karl Bulla - Public Domain
Kozlov, Petr Kuzʹmich, 1863-1935
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Henry Bataille - Public Domain
Tinan, Jean de 1874-1898
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unknown - Public Domain
Hafen, John, 1856-1910
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Unknown (US Geological Survey) - Public Domain
Brooks, Alfred H. (Alfred Hulse), 1871-1924
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The Schwadron Collection of the National Library of Israel - Public Domain
Marks, David Woolf, 1811-1909
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Zamoyski, August, 1893-1970
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King, Stephen, 1947-
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Schrader, Julius Friedrich Anton, 1815-1900
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anonymous - Public Domain
Metcalf, Victor Howard, 1853-1936