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Harris & Ewing, photographer - CC BY-SA 4.0
Piermario Ciani, mailartist (deceased) - CC BY-SA 4.0
NBC-photographer: Elmer Holloway - Public Domain
not named - Public Domain
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
unknown - Public Domain
NBC Television - Public Domain
DOD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley - Public Domain
Hanns Holdt - Public Domain
REUVEN FRIZI - CC BY-SA 3.0
Henry Bryan Hall, after James Warren Childe - Public Domain
U.S. Environmental Protection Agency (EPA) - Public Domain
:en:Frank R. Strayer - Public Domain
unknown photographer - Public Domain
Carl Guderian - CC BY-SA 2.0
user at project - CC BY 2.5
Image from Wikimedia Commons
Harris & Ewing, photographer - CC BY-SA 4.0
Smith, Gerald L. K. (Gerald Lyman Kenneth), 1898-1976
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Piermario Ciani, mailartist (deceased) - CC BY-SA 4.0
Baroni, Vittore
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Smith, Howard K. (Howard Kingsbury), 1914-2002
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NBC-photographer: Elmer Holloway - Public Domain
Barry, Gene
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Weatherall, D. J.
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Wyatville, Jeffry, Sir, 1766-1840
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not named - Public Domain
Stanley, Augustus Owsley, 1867-1958
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Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Haidinger, Wilhelm, 1795-1871
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unknown - Public Domain
Argüello y Morago, María de la Concepción Marcela, -1857
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Clark, Lynwood E., 1929-
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NBC Television - Public Domain
Cullen, Bill, 1920-1990
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unknown - Public Domain
Blatchford, Samuel, 1820-1893
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DOD photo by U.S. Navy Petty Officer 1st Class Chad J. McNeeley - Public Domain
Yearwood, Trisha
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Ioffe, A. F. (Abram Fedorovich), 1880-1960
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Hanns Holdt - Public Domain
Sandberger, Adolf, 1864-1943
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Zuckmayer, Carl, 1896-1977
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REUVEN FRIZI - CC BY-SA 3.0
Gabay, Sasson
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Henry Bryan Hall, after James Warren Childe - Public Domain
Hooper, John, -1555
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Blackwood, Adam, 1539-1613
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unknown - Public Domain
Douglass, Helen, 1838-1903
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Perkins, Tony
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Vossler, Karl, 1872-1949
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U.S. Environmental Protection Agency (EPA) - Public Domain
Reilly, William K. (William Kane), 1940-
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unknown - Public Domain
Kawanabe, Gyōsai, 1831-1889
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:en:Frank R. Strayer - Public Domain
Hall, James, 1900-1940
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Carew, Richard, 1555-1620
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unknown photographer - Public Domain
Clark, William Andrews, Jr.
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Reza, Yasmina
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Carl Guderian - CC BY-SA 2.0
Oguibe, Olu, 1964-....
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user at project - CC BY 2.5
McDowell, Michael, 1951-