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author info - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
J. Pinto - Public Domain
State of Washington - Public Domain
user at project - CC BY-SA 2.5
Bain News Service - Public Domain
unknown - Public Domain
BiblioArchives / LibraryArchives - CC BY 2.0
Mark Litchman - Public Domain
William Charles Ross - Public Domain
Mathew Brady - Public Domain
James Scott, after w:Joshua Reynolds - Public Domain
Unidentified photographer - Public Domain
Orderinchaos - CC BY-SA 3.0
Salsero35 - Public Domain
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Runge, Philipp Otto, 1777-1810
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author info - Public Domain
Tissandier, Gaston, 1843-1899
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Williamson, Francis John, 1833-1920
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Mathew Brady Levin Corot Handy - Public Domain
Kenna, John Edward, 1848-1893
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J. Pinto - Public Domain
Chagas, Carlos, 1879-1934
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Martin, George, 1764-1847
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State of Washington - Public Domain
Gibbs, George, 1815-1873
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user at project - CC BY-SA 2.5
OHara, Catherine
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Schuyler, Philip John, 1733-1804
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Bain News Service - Public Domain
Comstock, William Alfred, 1877-1949
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Laurance, John, 1750-1810
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Holder, Frederick, Sir, 1850-1909
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Thomas, John Charles
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McGoohan, Patrick, 1928-2009
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Bartley, T. W. (Thomas Welles), 1812-1885
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unknown - Public Domain
Bramuglia, Juan Atilio, 1903-1962
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BiblioArchives / LibraryArchives - CC BY 2.0
Pickersgill, J. W., 1905-
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Metcalf, Jesse H. (Jesse Houghton), 1860-1942
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Mark Litchman - Public Domain
Litchman, Mark, 1925-
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Lin, Michael Ming Hong, 1964-....
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Roosevelt, Blanche, 1853-1898
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Vallejo, Mariano Guadalupe, 1808-1890
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Gwyn, Nell, 1650-1687
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William Charles Ross - Public Domain
Northumberland, Algernon Percy, Duke of, 1792-1865
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Beam, Jacob D., 1908-....
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Mathew Brady - Public Domain
Hoar, E. R. (Ebenezer Rockwood), 1816-1895
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James Scott, after w:Joshua Reynolds - Public Domain
Rutland, Charles Manners, Duke of, 1754-1787
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Unidentified photographer - Public Domain
Cras, Jean, 1879-1932
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Orderinchaos - CC BY-SA 3.0
Withers, Reg, 1924-
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Salsero35 - Public Domain
Valerius Maximus.