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Lock & Whitfield - Public Domain
U.S. State Department - Public Domain
unknown - Public Domain
Gabriel Liljevall - CC BY 3.0
original uploader - CC BY 3.0
Public Domain
US Government Printing Office - Public Domain
USA -
Félix Nadar - Public Domain
Sally Larsen - CC BY-SA 3.0
Louise Dahl-Wolfe - Public Domain
US gov - Public Domain
Jpbowen - CC BY-SA 4.0
NA - Public Domain
unknown, this upload by Concord - Public Domain
CBS Radio (Columbia Broadcasting System) - Public Domain
Stefan2901 - CC BY-SA 3.0
*Alman & Co., photographer - Public Domain
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Lock & Whitfield - Public Domain
Bazalgette, Joseph William, Sir, 1819-1891
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U.S. State Department - Public Domain
Holbrooke, Richard C., 1941-2010
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Grassini, Giuseppina, 1773-1850
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Wauchope, Arthur Grenfell, 1874-1947
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Bar-Ilan, Meir, 1880-1949
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unknown - Public Domain
Drury, Newton Bishop, 1889-
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Gabriel Liljevall - CC BY 3.0
Feiler, Dror
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original uploader - CC BY 3.0
Bernacchi, Louis Charles, 1876-1942
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Kamal-ud-Din, Khwaja, 1870-1932
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Public Domain
Reed, Priscilla, 1818-1895
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US Government Printing Office - Public Domain
Benjamin, Adam, 1935-1982
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USA -
Kirkpatrick, Jeane J.
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Palmer, D. D. (Daniel David), 1845-1913
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Jessel, George, Sir, 1824-1883
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Conran, Jasper
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Félix Nadar - Public Domain
Reclus, Élisée, 1830-1905
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Sally Larsen - CC BY-SA 3.0
Morimura, Yasumasa, 1951-....
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Louise Dahl-Wolfe - Public Domain
Edmondson, William
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Kelley, John J. (John Joseph), 1930-2011
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Allman, George James, 1812-1898
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US gov - Public Domain
Phelps, Samuel Shethar, 1793-1855
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unknown - Public Domain
Page, Charles Grafton, 1812-1868
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Jpbowen - CC BY-SA 4.0
Piper, Myfanwy
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NA - Public Domain
Sclater, William Lutley
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unknown, this upload by Concord - Public Domain
Einhorn, David, 1809-1879
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CBS Radio (Columbia Broadcasting System) - Public Domain
Pious, Minerva
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Locklear, Heather
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Stefan2901 - CC BY-SA 3.0
Black, Adam, 1784-1874
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Redwitz, Oskar von 1823-1891
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*Alman & Co., photographer - Public Domain
Rea, Samuel, 1855-1929