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unknown - Public Domain
anonymous - Public Domain
Jorfer - Public Domain
original uploader - Public Domain
w:John Kay (caricaturist) - Public Domain
Photographer unidentified - Public Domain
Toglenn - CC BY-SA 3.0
Anonymous -
unknown photographer - Public Domain
Robert D. Ward - Public Domain
Public Domain
Contemporary photograph - Public Domain
No photographer listed - Public Domain
Ctruongngoc - CC BY-SA 3.0
Image from Wikimedia Commons
unknown - Public Domain
Orozco, Olga
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Pflug, Julius von, 1499-1564
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Lowe, D. G. A. (Douglas Gordon Arthur), 1902-1981
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Hume, Hamilton, 1797-1873
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unknown - Public Domain
Brady, James Buchanan, 1856-1917
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unknown - Public Domain
Ferrata, Dominique, 1847-1914
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anonymous - Public Domain
Nichols, Beverley, 1898-1983
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Jorfer - Public Domain
McNeal, Don
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Philo, of Alexandria
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Dunmore, Helen, 1952-....
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original uploader - Public Domain
Robertson, Jerome Bonaparte, 1815-1890
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w:John Kay (caricaturist) - Public Domain
Webster, Alexander, 1707-1784
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Photographer unidentified - Public Domain
Sidney, Margaret, 1844-1924
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Toglenn - CC BY-SA 3.0
Stagliano, John 1951-....
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unknown - Public Domain
Chapman, Henry S. (Henry Samuel), 1803-1881
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Herz, Marcus, 1747-1803
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Anonymous -
Haynes, E. S. P. (Edmund Sidney Pollock), 1877-1949
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Lanier, Jaron.
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unknown photographer - Public Domain
Hall, Asaph, 1859-1930
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Armitage, George.
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Robert D. Ward - Public Domain
Aspin, Les
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Public Domain
Zantedeschi, Francesco, 1797-1873
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De Kay, James E. (James Ellsworth), 1792-1851
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Rogers, William P. (William Pierce), 1913-2001
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Homer, Henry, 1753-1791
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Public Domain
Beatrice, di Tenda, Duchess, consort of Filippo Maria Visconti, Duke of Milan, 1372-1418
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Contemporary photograph - Public Domain
Cassirer, Ernst, 1874-1945
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Berthet, Élie, 1818-1891
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No photographer listed - Public Domain
Sanborn, Kate, 1839-1917
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Ctruongngoc - CC BY-SA 3.0
Reichenbach, François -1993