Image from Wikimedia Commons
Ezra S. Stearns, compiler and editor. Lewis Publishing Company (New York, NY), publisher. - Public Domain
H. F. Prevost Battersby - Public Domain
unknown - Public Domain
Chalonerwoods - CC BY-SA 3.0
Ed Berger - CC BY 2.0
Olivier Roller, :w:fr:InLibroVeritas -
François-Séraphin Delpech - Public Domain
Internet Archive Book Images -
agnostizi - Public Domain
unknown; via Vermont Historical Society - Public Domain
Paroxysm - Public Domain
kellywritershouse - CC BY 2.0
Unknown photographer (not specified in book) -
Assenmacher - CC BY-SA 3.0
Az81964444 - Public Domain
Unknown author - Public Domain
Image from Wikimedia Commons
Eisenstein, Sergei, 1898-1948
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Ezra S. Stearns, compiler and editor. Lewis Publishing Company (New York, NY), publisher. - Public Domain
Parker, Hosea W., 1833-1922
Image from Wikimedia Commons
H. F. Prevost Battersby - Public Domain
Battersby, H. F. Prevost (Henry Francis), 1862-1949
Image from Wikimedia Commons
Lemass, Seán
Image from Wikimedia Commons
unknown - Public Domain
Bridgman, Frederick Arthur, 1847-1928
Image from Wikimedia Commons
Chalonerwoods - CC BY-SA 3.0
Jaune, Oda, 1979-....
Image from Wikimedia Commons
Ed Berger - CC BY 2.0
Payne, Cecil
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Burke, Edmund, 1809-1882
Image from Wikimedia Commons
Olivier Roller, :w:fr:InLibroVeritas -
Lalanne, Francis
Image from Wikimedia Commons
François-Séraphin Delpech - Public Domain
Suchet, Louis-Gabriel, duc d'Albufera, 1770-1826
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Lyttelton, Charles, 1714-1768
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Fryer, Alfred
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Priestley, J.B. (John Boynton), 1894-1984
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Howe, Robert, 1732-1786
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Oresme, Nicole, approximately 1320-1382
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Shulman, Paul N., 1922-1994
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Internet Archive Book Images -
Upson, Christopher Columbus, 1829-1902
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Gates, Horatio, 1728-1806
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agnostizi - Public Domain
Garzón Valdés, Ernesto
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unknown; via Vermont Historical Society - Public Domain
Paine, Elijah, 1757-1842
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Ingalls, Rufus, 1818-1893
Image from Wikimedia Commons
Paroxysm - Public Domain
Fick, A. Eugen (Adolf Eugen), 1852-
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kellywritershouse - CC BY 2.0
Thomas, Lorenzo, 1944-2005
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Godowsky, Leopold, 1870-1938
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Schwebel, Stephen M. (Stephen Myron), 1929-
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Lehman, John Francis, 1942-
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Unknown photographer (not specified in book) -
Schiøtz, Hjalmar, 1850-1927
Image from Wikimedia Commons
Assenmacher - CC BY-SA 3.0
Yun, Isang
Image from Wikimedia Commons
Az81964444 - Public Domain
Oconor, Hugo
Image from Wikimedia Commons
Unknown author - Public Domain
Butler, Ovid, 1801-1881