Image from Wikimedia Commons
SPullin - CC BY-SA 3.0
United States Air Force - Public Domain
unknown photographer - Public Domain
Public Domain
unknown - Public Domain
US Senate Historical Office - Public Domain
Warren K. Leffler - Public Domain
unknown, probably U.S. Army photographer. The ''Green Series'' was published by the U.S. government. - Public Domain
Svenska dagbladets årsbok 1924 - Public Domain
Rob Mieremet / Anefo -
Randall - Public Domain
Nv8200p - CC BY-SA 3.0
ELApro - CC BY-SA 4.0
Image from Wikimedia Commons
Taussig, Frank William, 1859-1940
Image from Wikimedia Commons
SPullin - CC BY-SA 3.0
Miller, Alex, 1936-
Image from Wikimedia Commons
United States Air Force - Public Domain
McColpin, Carroll W. (Carroll Warren), 1914-2003
Image from Wikimedia Commons
unknown photographer - Public Domain
Milmore, Martin, 1844-1883
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Public Domain
Fernald, Bert Manfred, 1858-1926
Image from Wikimedia Commons
unknown - Public Domain
Kurrein, Adolf, 1846-1919
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De Lancey, William Heathcote, 1797-1865
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Plumer, William, 1759-1850
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Roth, Arnold, 1929-....
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US Senate Historical Office - Public Domain
Johnson, Edwin C. (Edwin Carl), 1884-1970
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David-Néel, Alexandra, 1868-1969
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Guilfoyle, W. R. (William Robert), approximately 1840-1912
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Pickering, William
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Warren K. Leffler - Public Domain
Spain, Jayne Baker, 1927-2003
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Ostrovsky, Aleksandr Nikolaevich, 1823-1886
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Odoacer, approximately 433-493
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Landis, Jessie Royce
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Buchenau, Franz, 1831-1906
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unknown, probably U.S. Army photographer. The ''Green Series'' was published by the U.S. government. - Public Domain
Flick, Friedrich, 1883-1972
Image from Wikimedia Commons
Svenska dagbladets årsbok 1924 - Public Domain
Clynes, J. R. (John Robert), 1869-1949
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Banér, Johan, 1596-1641
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Rob Mieremet / Anefo -
Levine, Joseph E.
Image from Wikimedia Commons
Randall - Public Domain
Brewster, Chauncey B. (Chauncey Bunce), 1848-1941
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unknown - Public Domain
Dowling, Michael J., 1866-1921
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Nv8200p - CC BY-SA 3.0
Wallace, Daniel, 1959-....
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unknown photographer - Public Domain
Sigerson, George, 1839-1925
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ELApro - CC BY-SA 4.0
Ramsey, Frank Plumpton, 1903-1930
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Vorst, Joseph Paul, 1897-1947
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Buckinghamshire, John Hobart, 2nd Earl Of
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Logan, William E. (William Edmond), Sir, 1798-1875