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Toglenn - CC BY-SA 3.0
unknown - Public Domain
Mathew Brady - Public Domain
Dknight2000 - CC BY-SA 3.0
Civil War glass negative collection (Library of Congress) - Public Domain
Stephen Malagodi - CC BY 3.0
Public Domain
original uploader - Public Domain
Stepan Alexandrovsky - Public Domain
Anonymous - Public Domain
from the Feinberg-Whitman Collection 1848-1969 - Public Domain
Walter Robertson - Public Domain
user at project - Public Domain
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Willison, John, 1856-1927
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Duplessis, Maurice LeNoblet, 1890-1959
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Schwartz, Henry Herman, 1869-1955
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Toglenn - CC BY-SA 3.0
Odonnell, Chris
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Mordell, L.J. (Louis Joel), 1888-
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Swain, Charles, 1801-1874
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Jarmusch, Jim, 1953-....
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unknown - Public Domain
Cory, Fanny Y.
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Mathew Brady - Public Domain
McIlvaine, Charles Pettit, 1799-1873
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Dknight2000 - CC BY-SA 3.0
Benedict, Dirk
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Grimm, Wilhelm, 1786-1859
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Marum, M. van (Martinus), 1750-1837
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Jank, Christian, 1833-1888
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Nicole, Pierre, 1625-1695
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Acton, John Francis Edward, 1736-1811
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Karr, Alphonse, 1808-1890
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Netscher, Caspar, 1635 or 1636-1684
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unknown - Public Domain
De Casseres, Benjamin, 1873-1945
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Civil War glass negative collection (Library of Congress) - Public Domain
Devin, Thomas Casimer, 1822-1878
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Paine, Thomas O., 1921-1992
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Stephen Malagodi - CC BY 3.0
Morisseau-Leroy, Félix, 1912-1998
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Public Domain
Dunn, W. McKee (William McKee), 1814-1887
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Furness, Horace Howard, 1833-1912
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original uploader - Public Domain
Trimble, Isaac Ridgeway, 1802-1888
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Stepan Alexandrovsky - Public Domain
Premazzi, Luigi, 1814-1891
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Mathew Brady - Public Domain
Ripley, George, 1802-1880
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Anonymous - Public Domain
Portail, Antoine 1675-1736
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from the Feinberg-Whitman Collection 1848-1969 - Public Domain
Symonds, John Addington, 1840-1893
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Walter Robertson - Public Domain
Stevens, Daniel, 1746-1835
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user at project - Public Domain
Garstang, John, 1876-1956