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Sir Patrick Geddes, by Lafayette (Lafayette Ltd) half-plate nitrate negative, 30 December 1931 - CC BY-SA 3.0
Steve Kwak - CC BY 2.0
Olga Bandelowa (Text of removed watermark: © Olga Bandelowa) -
original uploader - Public Domain
Carl Pietzner - Public Domain
Erling Mandelmann - CC BY-SA 3.0
Benque & Kindermann, Hamburg - Public Domain
unknown - Public Domain
Lea-Kim - CC BY-SA 4.0
Lewis Wickes Hine (1874–1940) - Public Domain
Wikizoli - CC BY-SA 4.0
Swimsc103 - CC BY-SA 4.0
FAM1885 - CC BY-SA 3.0
George Danor - Public Domain
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McCarthy, Mary, 1912-1989
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Købke, Christen, 1810-1848
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Sir Patrick Geddes, by Lafayette (Lafayette Ltd) half-plate nitrate negative, 30 December 1931 - CC BY-SA 3.0
Geddes, Patrick, Sir, 1854-1932
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Steve Kwak - CC BY 2.0
McGraw, Tim, 1967-
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Olga Bandelowa (Text of removed watermark: © Olga Bandelowa) -
Muḥammad, ʻAlī Nāṣir
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original uploader - Public Domain
Thornton, Henry Worth, 1871-1933
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Gilbert, John, 1897-1936
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Lacenaire, Pierre-François, 1800-1836
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Hay, James, 1881-1940
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Carl Pietzner - Public Domain
Suttner, Bertha, von (1843-1914).
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Erling Mandelmann - CC BY-SA 3.0
Tschichold, Jan, 1902-1974
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Patterson, Robert M. (Robert Maskell), 1787-1854
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Bean, C. E. W. (Charles Edwin Woodrow), 1879-1968
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Benque & Kindermann, Hamburg - Public Domain
Riemann, Hugo, 1849-1919
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Barron, Samuel, 1809-1888
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unknown - Public Domain
Yehoash, -1927
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Valentino, Rudolph, 1895-1926
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Lea-Kim - CC BY-SA 4.0
Perlman, Janet, 1954-
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unknown - Public Domain
Chippendale, William Henry, 1801-1888
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Whittle, Frank, 1907-1996
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Lewis Wickes Hine (1874–1940) - Public Domain
Adler, Felix, 1851-1933.
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unknown - Public Domain
Yell, Archibald, 1797 or 1799-1847
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Thring, Edward
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Lane, Charles, 1905-2007
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Marcus, David, 1901-1948
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Wikizoli - CC BY-SA 4.0
Bretan, Nicolae
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Swimsc103 - CC BY-SA 4.0
Rassias, John
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Bakfark, Bálint, 1507-1576
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FAM1885 - CC BY-SA 3.0
Johnson, Ray, 1927-1995
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George Danor - Public Domain
Rosenwald, Lessing J. Lessing Julius 1891-1979