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Alfred Cheney Johnston - Public Domain
Unknown; original uploader was Domer48 - Public Domain
Veritasmalta - CC BY-SA 3.0
Dezignr - Public Domain
unknown - Public Domain
Gore De Vol - CC BY 3.0
Liona Boyd (rights-holder) / Keith Williamson (photographer) - CC BY-SA 3.0
Calypso13 - CC BY-SA 3.0
University of Minnesota Alumni Association - CC BY-SA 4.0
Public Domain
ABC Television - Public Domain
Charles Tuttle - Public Domain
Department of Defense - Public Domain
author - Public Domain
CBS -
Creative-captures - CC BY-SA 3.0
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Alfred Cheney Johnston - Public Domain
Johnston, Alfred Cheney, 1885-1971
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Unknown; original uploader was Domer48 - Public Domain
Mitchel, John, 1815-1875
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MacMichael, H. A. (Harold Alfred), 1882-1969
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Doppelmayr, Johann Gabriel, 1677-1750
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Bourassa, Henri, 1868-1952
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Veritasmalta - CC BY-SA 3.0
Strickland, Mabel, 1899-1988
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Dezignr - Public Domain
Sapper, Richard, 1932-..
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unknown - Public Domain
Heyse, K. W. L. (Karl Wilhelm Ludwig), 1797-1855
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unknown - Public Domain
Mounier, Emmanuel, 1905-1950
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Spalding, John Lancaster, 1840-1916
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Gore De Vol - CC BY 3.0
Rubin, Jennifer, 1964-....
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Dumas, J.-B. (Jean-Baptiste), 1800-1884
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Liona Boyd (rights-holder) / Keith Williamson (photographer) - CC BY-SA 3.0
Boyd, Liona
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Rustin, Bayard, 1912-1987
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unknown - Public Domain
Robert, Lawrence Wood, 1889-1976
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Calypso13 - CC BY-SA 3.0
Olatunji, Babatunde
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Smith, Kevin, 1970-....
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University of Minnesota Alumni Association - CC BY-SA 4.0
Sibley, Mulford Quickert
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Public Domain
Kelley, Edgar Stillman, 1857-1944
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ABC Television - Public Domain
Jens, Salome
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Public Domain
Felch, Alpheus, 1804-1896
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Charles Tuttle - Public Domain
Willard, George, 1824-1901
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Department of Defense - Public Domain
Fallon, William J., 1944-
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author - Public Domain
Granbury, Hiram Bronson, 1831-1864
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Lefèbvre, Henri, 1901-1991
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MacMurray, Fred, 1908-1991
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CBS -
Hamner, Earl
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Dange, Shripad Amrit, 1899-1991
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Iwaszkiewicz, Jarosław, 1894-1980
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Creative-captures - CC BY-SA 3.0
Leonard, Ray