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unknown (photo taken and reworked by Chriusha - Public Domain
unknown -
Nickseedpublicity - CC BY-SA 4.0
Oregon State University - CC BY-SA 2.0
unknown - Public Domain
user at project - CC BY 2.5
Copyright by Hostetler(?), Davenport, Iowa. - Public Domain
Everett Smith - Public Domain
unknown photographer - Public Domain
EaglebrookSchool -
U.S. Embassy London -
Henri-Gabriel Ibels - Public Domain
Clinedinst Studio, Washington, D.C. - Public Domain
Origafoundation - CC BY-SA 3.0
Hollinger & Co., Photographers - Public Domain
United States Steel Corporation - Public Domain
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unknown (photo taken and reworked by Chriusha - Public Domain
Maillart, Robert, 1872-1940
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unknown -
Wright, Austin Tappan, 1883-1931
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Nickseedpublicity - CC BY-SA 4.0
De Botton, Gilbert, 1935-2000
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Kukiel, Marian, 1885-
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Oregon State University - CC BY-SA 2.0
Washington, Warren Morton, 1936-
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Marxsen, Eduard, 1806-1887
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unknown - Public Domain
Drake, Edwin Laurentine, 1819-1880
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user at project - CC BY 2.5
Adler, Lou, 1933-...
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unknown - Public Domain
Sayão, Bidú
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Randolph, Vance, 1892-1980
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Colt, Samuel Pomeroy, 1852-1921
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Copyright by Hostetler(?), Davenport, Iowa. - Public Domain
Galli-Curci, Amelita, 1882-1963
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Price-Mars, Jean, 1876-1969
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Everett Smith - Public Domain
Smith, Samuel Emerson, 1788-1860
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unknown photographer - Public Domain
Stewart, Cal, 1856-1919
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EaglebrookSchool -
Magee, Rusty
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U.S. Embassy London -
Milliken, Mary Sue
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unknown - Public Domain
Giordani, Pietro, 1774-1848
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Henri-Gabriel Ibels - Public Domain
Osbert, Alphonse, 1857-1939
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Lay, Donald P., 1926-2007
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Shute, Nevil, 1899-1960
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Clinedinst Studio, Washington, D.C. - Public Domain
Burns, Lucy, 1879-1966
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unknown - Public Domain
Seeler, Edgar Viguers, 1867-1929
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Origafoundation - CC BY-SA 3.0
Kane, Bob
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unknown - Public Domain
Battistini, Mattia, 1856-1928
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Beneš, Jaroslav
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Hollinger & Co., Photographers - Public Domain
Borglum, Solon Hannibal, 1868-1922
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Dufek, George J. (George John), 1903-
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United States Steel Corporation - Public Domain
Palmer, Betsy
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Fernandel, 1903-1971