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unknown - Public Domain
unknown -
RedCarpetReport - CC BY-SA 2.0
National Photo Company Collection - Public Domain
Wide World Inc. - Public Domain
Public Domain
Thomas Hill (ambrotype, MIN 50) - Public Domain
Simon Fraser University Public Affairs and Media Relations - CC BY 2.0
Georges Biard - CC BY-SA 3.0
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Civilian Conservation Corps (U.S.)
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Repton, J. Adey (John Adey), 1775-1860
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Kennedy, Thomas, 1776-1832
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unknown - Public Domain
Barker, Alfred Charles
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Brandstaetter, Roman
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Sée, Germain, 1818-1896
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Artz, David Adolf Constant, 1837-1890
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Opałka, Roman
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RedCarpetReport - CC BY-SA 2.0
Schull, Amanda, 1978-
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Fox, Kerry
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Cesnola, Luigi Palma di 1832-1904
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National Photo Company Collection - Public Domain
Abbott, Grace, 1878-1939
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Rubens, Peter Paul, 1577-1640
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Cumberland, Richard, 1631-1718
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Novaes, Guiomar
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Wide World Inc. - Public Domain
Cobb, John Rhodes, 1899-1952
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Hart, Jeffrey Peter, 1930-....
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unknown - Public Domain
Iddesleigh, Stafford Henry Northcote, earl of, 1818-1887
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Cruger, Henry, 1739-1827
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Public Domain
Underwood, Robert A. (Robert Anacletus), 1948-
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Lanzi, Luigi, -1810
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Thomas Hill (ambrotype, MIN 50) - Public Domain
Wills, William John, 1834-1861
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Simon Fraser University Public Affairs and Media Relations - CC BY 2.0
Farah, Nuruddin, 1945-....
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Díaz, Félix 1868-1945
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Wolseley, Garnet Wolseley, Viscount, 1833-1913
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Public Domain
Aitken, Spottiswoode, 1869-1933
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Georges Biard - CC BY-SA 3.0
Thompson, Danièle
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unknown - Public Domain
Sandberger, Fridolin 1826-1898
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unknown - Public Domain
Longhi, Roberto, 1890-1970
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unknown - Public Domain
Pedreira, Antonio Salvador, 1899-1939