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Wilhelm Titel - Public Domain
w:USGS - Public Domain
Anita Forrer - CC BY-SA 3.0
George Grantham Bain Collection (Library of Congress) - Public Domain
Germanna CC - CC BY 2.0
Mathew Brady or Levin Handy - Public Domain
unknown - Public Domain
Bain News Service; original uploader was Richard Arthur Norton (1958- ) - Public Domain
The American Lifeograph Company - Public Domain
Brandonseigler - CC BY-SA 3.0
George Hayter - Public Domain
Looking West - CC BY-SA 4.0
Scanned by eBay seller vintageadstudio1. The original ad is from Columbia Artists Management, Inc. - Public Domain
U.S. Govt. - Public Domain
Christian Gottfried Schulze (1749–1819) - Public Domain
Monogram Pictures Corporation - Public Domain
Emil Berna - CC BY-SA 4.0
Leo Joseph Muir - Public Domain
original uploader - Public Domain
U.S. Department of State - Public Domain
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Lawson, Ernest, 1873-1939
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Wilhelm Titel - Public Domain
Weigel, Christian Ehrenfried, 1748-1831
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w:USGS - Public Domain
Truman, Harry, 1896-1980
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Castiella, Fernando María
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Anita Forrer - CC BY-SA 3.0
Schwarzenbach, Annemarie, 1908-1942
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George Grantham Bain Collection (Library of Congress) - Public Domain
Reeve, Arthur B. (Arthur Benjamin), 1880-1936
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Germanna CC - CC BY 2.0
Nash, Diane Judith, 1938-
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Cunningham, Alan Gordon (1887-1983).
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Mathew Brady or Levin Handy - Public Domain
Harris, Ira, 1802-1875
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unknown - Public Domain
Leisewitz, Johann Anton, 1752-1806
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Bain News Service; original uploader was Richard Arthur Norton (1958- ) - Public Domain
Gustafson, Axel Carl Johan, active 1864-1887
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The American Lifeograph Company - Public Domain
Halloway, Carol, 1892-1979
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Brandonseigler - CC BY-SA 3.0
Armstrong, Bob, 1937-
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Sage, Adriana 1980-....
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George Hayter - Public Domain
Stuart, Louisa, Lady, 1757-1851
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Looking West - CC BY-SA 4.0
McLean, Duncan, 1964-
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Aguiar, Joaquim Antonio de
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Scanned by eBay seller vintageadstudio1. The original ad is from Columbia Artists Management, Inc. - Public Domain
Franklin, Frederic, 1914-2013
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Jourdan, Louis
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Hoch, Homer, 1879-1949
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unknown - Public Domain
Van Brunt, Henry, 1832-1903
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U.S. Govt. - Public Domain
Saltzman, Charles E. (Charles Eskridge), 1903-1994
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Scott, Ernest, Sir, 1868-1939
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Christian Gottfried Schulze (1749–1819) - Public Domain
Gerstenberg, Heinr. Wilh. von (Heinrich Wilhelm von), 1737-1823
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Possevino, Antonio, 1533 or 1534-1611
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Monogram Pictures Corporation - Public Domain
Rosing, Bodil, 1877-1941
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Emil Berna - CC BY-SA 4.0
Gretler, Heinrich, 1897-1977
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Leo Joseph Muir - Public Domain
Cowley, Matthew, 1897-1953
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original uploader - Public Domain
Aleramo, Sibilla, 1876-1960
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U.S. Department of State - Public Domain
Christopher, Warren