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U.S. federal government - Public Domain
Smithsonian Institution -
unknown photographer - Public Domain
Karl Gottfried Brunotte -
Friedrich Jentzen - Public Domain
Dmitry Rozhkov - CC BY-SA 3.0
Public Domain
unknown - Public Domain
US Government Printing Office - Public Domain
BDEngler - CC BY-SA 3.0
Darren Wyn Rees - CC BY-SA 3.0
National Photo Company Collection (Library of Congress) - Public Domain
MOs810 -
Photo by Bruno of Hollywood - Public Domain
David F. Barry, 1900 - Public Domain
Breuberg - CC BY 3.0
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Fernald, C. H. (Charles Henry), 1838-1921
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U.S. federal government - Public Domain
Bumbry, Grace, 1937-....
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Smithsonian Institution -
Wright, Helen, 1914-1997
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Paumann, Conrad
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unknown photographer - Public Domain
Yarrell, William, 1784-1856
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Karl Gottfried Brunotte -
Brunotte, Karl Gottfried, 1958-
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Friedrich Jentzen - Public Domain
Dulon, Rudolph, 1807-1870
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Dmitry Rozhkov - CC BY-SA 3.0
Guy, Barry
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Funes, Gregorio, 1749-1829
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Maklakiewicz, Jan Adam, 1899-1954
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Moreell, Ben, 1892-1978
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Public Domain
Palmer, Joel, 1810-1881
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unknown - Public Domain
Mortimer, James, 1833-1911
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US Government Printing Office - Public Domain
McCarthy, Richard D. (Richard Dean), 1927-1995
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Greene, Mott T., 1945-
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Newman, Barry, 1938-...
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Crowley, Dermot
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Mozart, Johann Chrysostom Wolfgang Amadeus
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BDEngler - CC BY-SA 3.0
Jacoby, Susan, 1945-....
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Darren Wyn Rees - CC BY-SA 3.0
Davies, Harry Parr, 1914-1955
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Lémontey, Pierre Edouard (1762-1826).
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Rubirosa, Porfirio, 1909-1965
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National Photo Company Collection (Library of Congress) - Public Domain
Lynn, David, 1873-1961
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Lawrence, George N. (George Newbold), 1806-1895
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MOs810 -
Miró, Gabriel, 1879-1930
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Riolan, Jean, 1580-1657
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Photo by Bruno of Hollywood - Public Domain
McCracken, Joan
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HemisFair (1968 : San Antonio, Tex.)
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David F. Barry, 1900 - Public Domain
Barry, D. F. (David Francis), 1854-1934
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Breuberg - CC BY 3.0
Franckenstein, George, Sir, 1878-