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anonymous - Public Domain
Montaut - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Harris & Ewing - Public Domain
unknown - Public Domain
From Volume 2 (1895) of "The National Cyclopaedia of American Biography", published by James T. White and Company, New York City. - Public Domain
University of California (1868-1952) -
Raymond/author -
Tom Marcello - CC BY-SA 2.0
William Downie - Public Domain
slowking -
Martin von Haller Groenbaek - CC BY 2.0
w:en:John L. Magee, lithographer - Public Domain
Jburlinson - CC BY-SA 3.0
Standish and Preece - CC BY-SA 3.0
New York Sunday News (at upper left of uncropped cover) - Public Domain
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anonymous - Public Domain
Nichols, Beverley, 1898-1983
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Aldrich, Nelson W. (Nelson Wilmarth), 1841-1915
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Clanricarde, Ulick de Burgh, Earl of, 1604-1657
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Montaut - Public Domain
Siméon, Joseph-Jérôme, comte, 1749-1842
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Kunst, Jaap, 1891-1960
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George Grantham Bain Collection (Library of Congress) - Public Domain
Hedin, Sven Anders, 1865-1952
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Quesnay, François, 1694-1774
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Harris & Ewing - Public Domain
Gorgas, William Crawford, 1854-1920
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unknown - Public Domain
Mustafa Suphi, 1883-1921
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From Volume 2 (1895) of "The National Cyclopaedia of American Biography", published by James T. White and Company, New York City. - Public Domain
Jackson, James, 1819-1887
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University of California (1868-1952) -
Roemer, Elizabeth, 1929-....
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Raymond/author -
Schult, Ha, 1939-
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Lea, Homer, 1876-1912
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Tom Marcello - CC BY-SA 2.0
Pass, Joe, 1929-1994
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Morgan, Henry, 1635?-1688
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La Tour, Maurice-Quentin de, 1704-1788
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William Downie - Public Domain
Downie, William, 1819-1894
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Baer, Abraham, 1834-1894
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Thomas, Dylan, 1914-1953
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slowking -
Cooper, Susan, 1935-....
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Martin von Haller Groenbaek - CC BY 2.0
Gudmundsen-Holmgreen, Pelle
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w:en:John L. Magee, lithographer - Public Domain
Jebb, Caroline, 1840-1930
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Schicht, Johann Gottfried, 1753-1823
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Jburlinson - CC BY-SA 3.0
Gardner, Helen, 1908-1986
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unknown - Public Domain
Waldersee, Alfred, Graf von, 1832-1904
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Clark, Adèle, 1882-1983
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unknown - Public Domain
Arriaza, Juan Bautista, 1770-1837
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Standish and Preece - CC BY-SA 3.0
Cook, C. H. H. (Charles Henry Herbert), 1844-1910
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New York Sunday News (at upper left of uncropped cover) - Public Domain
Brasselle, Keefe
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Wille, Johann Georg, 1715-1808