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candid photograph - Public Domain
From a crayon drawing by Samuel W. Rowse - Public Domain
Robert Gordon Hardie - Public Domain
Raasgat - Public Domain
No photo credit supplied in book - Public Domain
Public Domain
original uploader - Public Domain
Deane Keller - Public Domain
Presidenza della Repubblica -
Sara Facio - Public Domain
unknown - Public Domain
Sashkafr - CC BY-SA 4.0
Uknown War Photographer - Public Domain
Saltean - CC BY-SA 4.0
Unidentified -
Bain News Service, publisher - Public Domain
Jeangagnon - CC BY-SA 3.0
Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
anonymous - Public Domain
Image from Wikimedia Commons
candid photograph - Public Domain
Sawyier, Paul, 1865-1917
Image from Wikimedia Commons
From a crayon drawing by Samuel W. Rowse - Public Domain
Bushnell, Horace, 1802-1876
Image from Wikimedia Commons
Robert Gordon Hardie - Public Domain
Morton, Marcus, 1784-1864
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Raasgat - Public Domain
Tobias, Phillip V.
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No photo credit supplied in book - Public Domain
Carnock, Arthur Nicolson, Baron, 1849-1928
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Public Domain
Powell, Herbert B., 1903-1998
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Mathis, Edith
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Fisher, John S. (John Stuchell), 1867-1940
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original uploader - Public Domain
Langtry, Lillie, 1853-1929
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Kantor, Tadeusz, 1915-1990
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Behaim, Martin, 1459-1507
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Deane Keller - Public Domain
Kelly, Colin Purdie, 1915-1941
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Presidenza della Repubblica -
Mubārak, Muḥammad Ḥusnī, 1928-
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Sara Facio - Public Domain
Pizarnik, Alejandra, 1936-1972
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Cai, Mingliang, 1957-....
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unknown - Public Domain
Griffin, John S. (John Strother), 1816-1898
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Sashkafr - CC BY-SA 4.0
Zauberman, Yolande
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Camden, William, 1551-1623
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Altschuler, Modest, 1873-1963
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Bradshaw, Dove
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Thompson, Glenn (musician)
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Uknown War Photographer - Public Domain
Holbrook, Willard Ames, 1860-1932
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Saltean - CC BY-SA 4.0
Ravetz, Jerome R.
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Unidentified -
Tyson, James, 1819-1898
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Bain News Service, publisher - Public Domain
West, Roy Owen, 1868-1958
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Wharton, Philip Wharton, Duke of, 1698-1731
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Jeangagnon - CC BY-SA 3.0
Lemieux, Jean-Paul, 1904-1990
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Mariusz Kubik, http://www.mariuszkubik.pl - CC BY-SA 3.0
Mrożek, Sławomir
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Lanman, James, 1767-1841
Image from Wikimedia Commons
anonymous - Public Domain
Fields, Lew, 1867-1941