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National Photo Company - Public Domain
United States Air Force - Public Domain
one source states - Public Domain
Ailigean - CC BY-SA 4.0
Zodiac Photographers - Public Domain
Capitol Records - Public Domain
Franck (1816–1906), photographer; unknown engraver - Public Domain
Maksymilian Fajans (1827-1890) - Public Domain
Jonny Kahleyn -
unbekannter Künstler - Public Domain
Phidelorme - CC BY-SA 4.0
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National Photo Company - Public Domain
Fess, Simeon D. (Simeon Davidson), 1861-1936
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Goodwin, Thomas, 1600-1680
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United States Air Force - Public Domain
Abrahamson, James, 1933-
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Lloyd, Frank, 1887-1960
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Silvestre, Armand, 1837-1901
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Liu, Ji, 1311-1375
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Cushman, Robert E. (Robert Everton), 1914-1985
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one source states - Public Domain
Pickett, Bill, approximately 1860-1932
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Ailigean - CC BY-SA 4.0
Cooper, Oswald Bruce, 1879-1940
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Martin, John, 1789-1854
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Amorales, Carlos, 1970-....
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Nepomuceno, Alberto, 1864-1920
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Stimpson, William, 1832-1872
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Conkling, Alfred, 1789-1874
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Zodiac Photographers - Public Domain
Weston, Jack, 1924-1996
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Capitol Records - Public Domain
Frazier, Dallas, 1939-
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Franck (1816–1906), photographer; unknown engraver - Public Domain
Dietsch, Louis, 1808-1865
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Marryat, Frederick, 1792-1848
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Kowlier, Flip
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Maksymilian Fajans (1827-1890) - Public Domain
Elsner, Józef, 1769-1854
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Spencer, Charles Robert Spencer, Earl, 1857-1922
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Caldwell, James, 1734-1781
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Jonny Kahleyn -
Blackwell, Mr.
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Glauber, Johann Rudolf, 1604-1670
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unbekannter Künstler - Public Domain
Stewart, David, 1800-1858
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Lumholtz, Carl, 1851-1922
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Rawlins, John A. (John Aaron), 1831-1869
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Phidelorme - CC BY-SA 4.0
Decaux, Alain, 1925-....
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Chevalier, Albert, 1861-1923
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Fantin-Latour, Henri, 1836-1904