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Claude Reydellet, engraving by S. Beyssent - Public Domain
Public Domain
unknown - Public Domain
U.S. Department of Energy - Public Domain
Joseph Simpson - Public Domain
«Marylandstater - Public Domain
United States Army - Public Domain
PhilipRomanoPhoto - CC BY-SA 4.0
Ross & Thomson - Public Domain
Angel Schatz - CC BY 2.0
J. R. Skelton (Joseph Ratcliffe Skelton; 1865–1927) (illustrator), erroneously credited as John R. Skelton - Public Domain
G. Kearsley, Fleet Street - Public Domain
Elaine B. Mitchell (editor) - Public Domain
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Cryer, Jon, 1965-
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Claude Reydellet, engraving by S. Beyssent - Public Domain
Epictète
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Public Domain
Schiller, F.C.S. (Ferdinand Canning Scott), 1864-1937
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Hall, J.L. (John L.), 1934-
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Jones, Anson, 1798-1858
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unknown - Public Domain
Burgon, John William, 1813-1888
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Bünau, Heinrich von, 1697-1762
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Joubert, Barthélemy Catherine 1769-1799
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Dubufe, Claude-Marie, 1790-1864
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U.S. Department of Energy - Public Domain
Smyth, Henry de Wolf 1898-1986
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unknown - Public Domain
White, William Henry, 1845-1913
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Joseph Simpson - Public Domain
Palmer, William, 1824-1856
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«Marylandstater - Public Domain
Robinson, Brooks, 1937-
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United States Army - Public Domain
Starbird, Alfred D. (Alfred Dodd), 1912-1983
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Public Domain
Murdock, Orrice Abram, 1893-1979
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PhilipRomanoPhoto - CC BY-SA 4.0
Stine, R. L., 1943-
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Kraus, Karl, 1874-1936
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Young, Joseph Don Carlos, 1855-1938
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Public Domain
Hodge, John R. (John Reed), 1893-
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Ross & Thomson - Public Domain
Ramsay, Edward Bannerman, 1793-1872
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Hines, John Leonard, 1868-1968
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Tsui, Hark, 1951-
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Torres, Fina
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Public Domain
Schillinger, Joseph
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Angel Schatz - CC BY 2.0
Grieco, Richard, 1965-
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Eysler, Edmund, 1874-1949
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J. R. Skelton (Joseph Ratcliffe Skelton; 1865–1927) (illustrator), erroneously credited as John R. Skelton - Public Domain
Columba, Saint, 521-597
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G. Kearsley, Fleet Street - Public Domain
Barrington, George, 1755-1804
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Elaine B. Mitchell (editor) - Public Domain
Fink, Thomas A., 1928-
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Hines, Bob.