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bobgo29 - CC BY 2.0
Ohconfucius - CC BY 3.0
Unknown photographer (not specified in book) -
ABC Television - Public Domain
Pollack man34 - CC BY 3.0
The Shvadron collection - Public Domain
Unknown military photographer of Signal Corps - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
*:File:Carlos Santana.jpg -
unknown - Public Domain
IsraelinUSA - CC BY 2.0
Ferdinand Hodler - Public Domain
US Government Printing Office (Washington, DC). - Public Domain
original uploader -
Nv8200p - CC BY-SA 3.0
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bobgo29 - CC BY 2.0
Harding, Tonya
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Perlman, Alfred E.
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Ohconfucius - CC BY 3.0
Currie, Alannah, 1957-
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Tuttle, Julia, 1849-1898
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Unknown photographer (not specified in book) -
Selmer, Ernst Westerlund, 1890-
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Lyman, Lauren D. (Lauren Dwight), 1891-1971
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ABC Television - Public Domain
George, Christopher, 1929-1983
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Pollack man34 - CC BY 3.0
Geremia, Paul
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Davis, Katharine Bement, 1860-1935
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The Shvadron collection - Public Domain
Sachs, michael, 1808-1864
Image from Wikimedia Commons
Unknown military photographer of Signal Corps - Public Domain
Taussig, Joseph K. (Joseph Knefler), 1877-1947
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Loreburn, Robert T. Reid (Robert Threshie Reid), Earl, 1846-1923
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Mathew Brady Levin Corot Handy - Public Domain
Flanagan, James Winright, 1805-1887
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*:File:Carlos Santana.jpg -
Santana, Carlos
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Bell, William N. (William Nathaniel), 1817-1887
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Dou, Gérard, 1613-1675
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unknown - Public Domain
Brunner, Heinrich, 1840-1915
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Grey, Marina
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Lowry, Wilson, 1762-1824
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IsraelinUSA - CC BY 2.0
Blitzer, Wolf
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Ferdinand Hodler - Public Domain
Hodler, Ferdinand, 1853-1918
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Duclos, Charles Pinot-, 1704-1772
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Coustou, Guillaume, 1677-1746
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US Government Printing Office (Washington, DC). - Public Domain
Beamer, John V. (John Valentine), 1896-1964
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original uploader -
Koraksić, Predrag
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Yorke, Charles, 1722-1770
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Kirkman, Francis, 1632-approximately 1680
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Bamberger, Simon, 1845-1926
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Nv8200p - CC BY-SA 3.0
Saylor, Steven, 1956-....
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unknown - Public Domain
Hill, Wilhelm, 1838-1902