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Contemporary photograph - Public Domain
Public Domain
Jan Vilímek - Public Domain
Wikimedia Commons - CC BY-SA 4.0
original uploader - Public Domain
C. J. Cornish - Public Domain
James E. Purdy - Public Domain
unknown photographer - Public Domain
US Government Printing Office - Public Domain
Andwhatsnext - CC BY-SA 3.0
Chris24ang - CC BY-SA 3.0
Generalitat de Catalunya, Departament de la Presidència -
John Dundas Cochrane - Public Domain
Dave Morris - CC BY 2.0
unknown - Public Domain
SarahStierch - CC BY 4.0
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Contemporary photograph - Public Domain
Farnam, Henry, 1803-1883
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Got, Edmond, 1822-1901
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Public Domain
Featherston, Winfield Scott, 1819-1891
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Mars, Mademoiselle, 1779-1847
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Passini, Johann Ludwig, 1832-1903
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Gorman, Tom, 1919-
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Pickett, Owen B. (Owen Bradford), 1930-2010
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Jan Vilímek - Public Domain
Zeyer, Julius, 1841-1901
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Wikimedia Commons - CC BY-SA 4.0
Kahn, Tom
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original uploader - Public Domain
Hartman, L. O. (Louis Oliver), 1876-1955
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Kalckreuth, Leopold von 1855-1928
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C. J. Cornish - Public Domain
Flower, William Henry, 1831-1899
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James E. Purdy - Public Domain
Egan, Patrick, 1841-
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Derek, John, 1926-1998
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unknown photographer - Public Domain
Posthumus, N.W. (Nicolaas Wilhelmus), 1880-1960
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US Government Printing Office - Public Domain
Cornell, Robert J. O. Praem.
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Andwhatsnext - CC BY-SA 3.0
Bellisario, Donald P.
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Chris24ang - CC BY-SA 3.0
Moretti, Robert, 1936-
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Boyle, Robert, 1627-1691
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Generalitat de Catalunya, Departament de la Presidència -
Sert, José Luis (1902-1983).
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John Dundas Cochrane - Public Domain
Cochrane, John Dundas, 1780?-1825
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Gadsden, James, 1788-1858
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Dave Morris - CC BY 2.0
Postlethwaite, Pete
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Public Domain
Hansen, James V.
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Rohde, Johan, 1856-1935
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Forrester, Maureen
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unknown - Public Domain
Ramsaye, Terry, 1885-1954
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Chapin, Harold, 1886-1915
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SarahStierch - CC BY 4.0
Foyt, A. J., 1935-
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Hillenkoetter, Roscoe Henry, 1897-1982