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en - Public Domain
Peter Bond - CC BY-SA 2.0
unknown - Public Domain
George M. Bergman, copyright is with MFO - CC BY-SA 2.0
Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Bain - Public Domain
Public Domain
US gov - Public Domain
Suzanne Opton - CC BY 3.0
Copyright owned by subject as a result of a work-for-hire arrangement - CC BY-SA 3.0
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Beck, Martin, 1868?-1940
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Martin, Claude, 1735-1800
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en - Public Domain
McCune, Shannon. (1913-1993).
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Queensberry, John Sholto Douglas, Marquis of, 1844-1900
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Meagher, Thomas Francis, 1823-1867
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Stanton, Benjamin, 1809-1872
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Orsini, Giovanni Gaetano, Cardinal 1316, papal legate
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Peter Bond - CC BY-SA 2.0
Portale, Alfred
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unknown - Public Domain
Gwynn, Charles W. (Charles William), 1870-1963
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George M. Bergman, copyright is with MFO - CC BY-SA 2.0
Alperin, J. L.
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Illich, Ivan, 1926-2002
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Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Debreu, Gerard
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Ehle, Jennifer, 1969-
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Pratt, Josiah, 1768-1844
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Merrill, W. E. (William Emery), 1837-1891
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Serebri︠a︡kova, Zinaida Evgenʹevna, 1884-1967
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Bain - Public Domain
Taylor, D. W. (David Watson), 1864-1940
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Public Domain
Browning, Pete, 1861-1905
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Ferguson, Margaret Clay.
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US gov - Public Domain
Burch, T. G. (Thomas Granville), 1869-1951
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Ruffalo, Mark
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Dunn, Nathan, 1782-1844
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Suzanne Opton - CC BY 3.0
Goldfarb, Sidney, 1942-
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Di Giacomo, Salvatore, 1860-1934
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Lang, Fritz, 1890-1976
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Groce, Larry
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Stevenson, Job E. (Job Evans), 1832-1922
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Garfield, Eugene
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Collins, Ray, 1889-1965
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Public Domain
Štefánik, Milan Rastislav, 1880-1919