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Siebbi - CC BY 3.0
unknown photographer - Public Domain
tom.beetz - CC BY 2.0
original uploader - Public Domain
U.S. federal government - Public Domain
Ralph Daily - CC BY 2.0
U.S. Army - Public Domain
Public Domain
Clarence H. White - Public Domain
Luigi Mussini - Public Domain
unknown - Public Domain
Compozor - Public Domain
U.S. Navy - Public Domain
Luthwyhn - CC BY-SA 2.5
nicolas genin - CC BY-SA 2.0
CurtisNaito - CC BY-SA 3.0
Photo: Unknown Crop and cleanup: Hal Jespersen - Public Domain
Odejea -
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Wang, Mingdao, 1900-1991
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Siebbi - CC BY 3.0
Rothemund, Marc, 1968-....
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Besler, Basilius, 1561-1629
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Lichtenberg, Georg Christoph, 1742-1799
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unknown photographer - Public Domain
Pennington, Ann, 1893-1971
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tom.beetz - CC BY 2.0
Hall, Jim, 1930-2013
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original uploader - Public Domain
Lake, Arthur, 1905-1987
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U.S. federal government - Public Domain
Bumbry, Grace, 1937-....
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Belcher, Jonathan, 1710-1776
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Ralph Daily - CC BY 2.0
Laredo, Jaime
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U.S. Army - Public Domain
Fussell, Paul, 1924-2012
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Public Domain
Coues, Elliott, 1842-1899
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McAdie, Alexander, 1863-1943
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Clarence H. White - Public Domain
Struss, Karl, 1886-1981
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Luigi Mussini - Public Domain
Mussini, Luigi, 1813-1888
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unknown - Public Domain
Jones, Thomas, 1756-1807
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Neumann, John, Saint, 1811-1860
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Compozor - Public Domain
La Rocca, Frank, 1951-
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U.S. Navy - Public Domain
Fairfield, Arthur Philip, 1877-1946
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Thompson, Stanley Gerald, 1912-1976
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Luthwyhn - CC BY-SA 2.5
Amano, Yoshitaka
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nicolas genin - CC BY-SA 2.0
Damon, Matt
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unknown - Public Domain
Baglivi, Giorgio, 1668-1707
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John, of Capistrano, Saint, 1386-1456
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Public Domain
Stearns, Ozora Pierson, 1831-1896
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Hoss, E. E. (Elijah Embree), 1849-1919
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CurtisNaito - CC BY-SA 3.0
Bridges, Harry, 1901-1990
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Jarman, Claude, 1934-
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Photo: Unknown Crop and cleanup: Hal Jespersen - Public Domain
Parker, Ely Samuel, 1828-1895
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Odejea -
Alfred, King of England, 849-899