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original uploader -
Anonymous -
No consta - Public Domain
Gage Skidmore - CC BY-SA 3.0
unknown - Public Domain
Francisco Pacheco - Public Domain
Napoleon Sarony, 37 Union Square, New York City (compare Control No. 99471730) - Public Domain
Ketevan Magalashvili - Public Domain
BPL - CC BY 2.0
Slowking -
Macfadden Publications, Inc. - Public Domain
Freeman, William Harry - Public Domain
US Government Printing Office - Public Domain
Harris & Ewing - Public Domain
US Government Printing Office (Washington, DC), publisher. - Public Domain
US Congress - Public Domain
sagindie - CC BY 2.0
USAF - Public Domain
Public Domain
Howard Lake - CC BY-SA 2.0
Susannah B. F. Paletz - CC BY 3.0
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original uploader -
Stadler, L. J. (Lewis John), 1896-1954
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Anonymous -
Haynes, E. S. P. (Edmund Sidney Pollock), 1877-1949
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No consta - Public Domain
Kent, Victoria 1891-1987
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Gage Skidmore - CC BY-SA 3.0
Janssen, Famke, 1964-
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unknown - Public Domain
McClintock, Emory, 1840-1916
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Francisco Pacheco - Public Domain
Guerrero, Francisco, 1528?-1599
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Anghiera, Pietro Martire d' 1457-1526
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unknown - Public Domain
Cubitt, William, Sir, 1785-1861
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Napoleon Sarony, 37 Union Square, New York City (compare Control No. 99471730) - Public Domain
Grace, William Russell, 1832-1904
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Ketevan Magalashvili - Public Domain
Gudiašvili, Lado, 1896-1980
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Le Jeune, Paul, 1592-1664
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Agam, Yaacov, 1928-....
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BPL - CC BY 2.0
Haughton, James, 1795-1873
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Slowking -
Marcus, Ben, 1967-....
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Macfadden Publications, Inc. - Public Domain
Weaver, Marjorie, 1913-1994
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Freeman, William Harry - Public Domain
Chase, William C. (William Curtis), 1895-1986
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US Government Printing Office - Public Domain
Bartlett, Steve, 1947-
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Harris & Ewing - Public Domain
Hadley, Herbert S. (Herbert Spencer), 1872-1927
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US Government Printing Office (Washington, DC), publisher. - Public Domain
Harmon, Randall S., 1903-1982
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unknown - Public Domain
Gossett, Elizabeth Hughes, 1907-1981
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US Congress - Public Domain
Denton, Jeremiah A.
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sagindie - CC BY 2.0
Rosenberg, Alan
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USAF - Public Domain
Guy, William L. (William Lewis), 1919-
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Public Domain
Ansted, D. T. (David Thomas), 1814-1880
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Bigelow, William Sturgis, 1850-1926
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Bar-Ilan, Meir, 1880-1949
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Jommelli, Nicoló, 1714-1774
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Ames, Adrienne, 1907-1947
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Howard Lake - CC BY-SA 2.0
Chalke, Steve
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Susannah B. F. Paletz - CC BY 3.0
Moi, Toril.