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Breuberg - CC BY 3.0
Lanternflash - CC0 1.0
w:Lou051 -
anonymous - Public Domain
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unknown - Public Domain
Original uploader was Bruce C Moore - CC BY-SA 2.5
Erling Mandelmann - CC BY-SA 3.0
Public Domain
United States Senate Historical Office - Public Domain
Siebbi - CC BY 3.0
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Breuberg - CC BY 3.0
Franckenstein, George, Sir, 1878-
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Lanternflash - CC0 1.0
Etchemendy, John, 1952-....
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w:Lou051 -
Stezaker, John, 1949-....
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anonymous - Public Domain
Lovett, Josephine
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gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
Purefoy, James, 1964-....
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Daniels, William H., 1901-1970
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unknown - Public Domain
Broyles, J. Frank, 1924-
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Original uploader was Bruce C Moore - CC BY-SA 2.5
Frisell, Bill
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Scudder, John, 1793-1855
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Stanchov, Dimitŭr 1864-1940
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Hale, Georgia, 1905-1985
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unknown - Public Domain
Green, Charles, 1840-1898
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Russolo, Luigi
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Richer, Jean
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Erling Mandelmann - CC BY-SA 3.0
Tobey, Mark
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Cesarotti, Melchiorre, 1730-1808
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Taylor, W. (William), 1765-1836
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Turowicz, Jerzy
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Public Domain
Bates, Martin W. (Martin Waltham), 1786-1869
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United States Senate Historical Office - Public Domain
Lennon, Alton, 1906-1986
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Harnett, William Michael, 1848-1892
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Kohrs, Conrad, 1835-1920
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unknown - Public Domain
Komitas, Vardapet, 1869-1935
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Ségur, Louis-Philippe, comte de, 1753-1830
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unknown - Public Domain
Eger, Akiva ben Moses Guens, 1761-1837
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Richards, Theodore W. (Theodore William), 1868-1928
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Foreman, George, 1949-....
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Woolsey, Melancthon B. (Melancthon Brooks), 1817-1874
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Siebbi - CC BY 3.0
Winterbottom, Michael
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Dunstan, Donald