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user at project - Public Domain
Unknown, Bassano Ltd -
Engraved by H.B. Hall from a daguerreotype - Public Domain
unknown - Public Domain
Alexandra Studios (Toronto): Louis or Nathan Turofsky, Roy Mitchell or Hal Crellin - Public Domain
Voceditenore - Public Domain
JuneHazinek - CC BY-SA 4.0
Наталія Войцещук - CC BY-SA 4.0
Jacob Hilsdorf - Public Domain
original uploader - CC BY-SA 3.0
Photographic department of Johns Hopkins University - Public Domain
Benjamin Steinberg (1916 - 1974) - CC BY 1.0
see above - Public Domain
New York World-Telegram and the Sun staff photographer - Public Domain
unknown photographer - CC BY-SA 4.0
University of Ohio (no specific author named) - Public Domain
Public Domain
User at project link - Public Domain
Image from Wikimedia Commons
user at project - Public Domain
Lewis, David, 1917-2002
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Unknown, Bassano Ltd -
Lane, William Arbuthnot, 1856-1943
Image from Wikimedia Commons
Engraved by H.B. Hall from a daguerreotype - Public Domain
Brigham, Amariah, 1798-1849
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Schulz, J. A. P. (Johann Abraham Peter), 1747-1800
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unknown - Public Domain
Albuquerque, Afonso de, 1453-1515
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Alexandra Studios (Toronto): Louis or Nathan Turofsky, Roy Mitchell or Hal Crellin - Public Domain
Oakes, Harry, Sir, 1874-1943
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Voceditenore - Public Domain
Gardoni, Italo 1821-1882
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JuneHazinek - CC BY-SA 4.0
Diop, Cheikh Anta
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Наталія Войцещук - CC BY-SA 4.0
Davenant, Charles, 1656-1714
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Utterson, Edward Vernon, 1775 or 1776-1856
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Bechstein, Carl 1826-1900
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unknown - Public Domain
Ford, Wendell H., 1924-
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Jacob Hilsdorf - Public Domain
Friedberg, Carl, 1872-1955
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Shaw, Wini 1900?-....
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original uploader - CC BY-SA 3.0
Graham, Paul, 1956-....
Image from Wikimedia Commons
Photographic department of Johns Hopkins University - Public Domain
Opie, Eugene L. (Eugene Lindsay), 1873-1971
Image from Wikimedia Commons
Benjamin Steinberg (1916 - 1974) - CC BY 1.0
Walker, George, 1922-2018
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see above - Public Domain
Adamkiewicz, Albert, 1850-1921
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Boratto, Gui, 1974-
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New York World-Telegram and the Sun staff photographer - Public Domain
Walker, James John, 1881-1946
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Haley, Jack, 1899-1979
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unknown photographer - CC BY-SA 4.0
Jaeger, Oskar
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Lockhart, James A. (James Alexander), 1850-1905
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Longyear, J. W. (John Wesley), 1820-1875
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Cabel, Marie 1827-1885
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University of Ohio (no specific author named) - Public Domain
Wyatt, David K.
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Bear, Elizabeth.
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Public Domain
Montiano y Luyando, Agustín de 1697-1764
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Newcastle, Margaret Cavendish, Duchess of, 1623?-1673
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User at project link - Public Domain
Brusati, Franco, 1922-1993