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staff, Federal Bureau of Investigation - Public Domain
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Charlesdrakew - Public Domain
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Josef Kriehuber (*Wien 1800 - 1876 Wien) - Public Domain
From 1891's "History of the Sixth New Hampshire Regiment in the War for the Union" by Captain Lyman Jackson, Historian, and Amos Hadley, Ph.D., Editor. - Public Domain
John Mueller - CC BY 2.5
:en:Northwestern University - Public Domain
BerkshirePublishing - CC BY-SA 3.0
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Switzer, Mary Elizabeth, 1900-1971
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Bowie, David
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Daniels, Jeff, 1955-....
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U.S. Air Force - Public Domain
Carpenter, Charles I., 1906-1994
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Davies, Marion, 1897-1961
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WENR/Meadow Gold dairy - Public Domain
Atcher, Bob
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Post of Romania - Public Domain
Dior, Christian
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Niger, Samuel, 1883-1955
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unknown - CC BY-SA 2.5
Lyndon, Roger C.
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Nicholas Haz (Photographer); cropped by Beyond My Ken - Public Domain
Le Gallienne, Eva, 1899-1991
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Harnack, Arvid, 1901-1942
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staff, Federal Bureau of Investigation - Public Domain
Ames, Aldrich Hazen, 1941-....
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Abernethy - Public Domain
Hall, John, 1829-1898
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Ferrell, Conchata
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Charlesdrakew - Public Domain
Burrell, Walter Wyndham, Sir, 1814-1886
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Pollard, Harry, 1879-1934
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Medici, Don Pietro De'
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Rossi, Jorge (Rossi Chavarría), 1922-
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Kapp, Ernst, 1808-1896
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DeLacy, Hugh, 1910-1986
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Josef Kriehuber (*Wien 1800 - 1876 Wien) - Public Domain
Stampfer, Simon, 1790-1864
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From 1891's "History of the Sixth New Hampshire Regiment in the War for the Union" by Captain Lyman Jackson, Historian, and Amos Hadley, Ph.D., Editor. - Public Domain
Nute, Alonzo, 1826-1892
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Talbott, Albert G. (Albert Gallatin), 1808-1887
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Project Apollo (U.S.)
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Dickstein, S. (Samuel), 1851-1939
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Sanders, Bernard, 1941-
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John Mueller - CC BY 2.5
Allers, Roger.
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:en:Northwestern University - Public Domain
Hayford, J. E. Casely (Joseph Ephraim Casely), 1866-1930
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Wolcott, Roger, 1847-1900
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McNeill, William Hardy, 1917-....