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Daggett died pre-1920, and this picture was published during his lifetime, and therefore in the public domain. I release it. - Public Domain
Unknown, Courtesy of Katharine Myers - Public Domain
Pb9 - CC BY-SA 3.0
unknown - Public Domain
Sailko - CC BY 3.0
unknown (original image); Centpacrr - Public Domain
photographer unknown; scanned by myself - Public Domain
:en:Alexander_Hay_Ritchie (1822–1895) - Public Domain
Salt Publishing - CC BY-SA 2.5
original uploader - Public Domain
US Government Printing Office - Public Domain
Suetorp - CC BY-SA 3.0
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Andrews, Dana, 1909-1992
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Buchez, Philippe-Joseph-Benjamin, 1796-1865
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Castro, Raúl, 1930-
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Guilleminot, Armand-Charles, 1774-1840
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Blondel, Merry-Joseph, 1781-1853
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Auer, Mischa, 1905-1967
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Daggett died pre-1920, and this picture was published during his lifetime, and therefore in the public domain. I release it. - Public Domain
Daggett, Aaron Simon, 1837-1938
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Unknown, Courtesy of Katharine Myers - Public Domain
Briggs, Katharine Cook, 1875-1968
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Pb9 - CC BY-SA 3.0
Braddock, Paige
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unknown - Public Domain
Court de Gébelin, Antoine, 1725-1784
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Gage, Jack R. (Jack Robert), 1899-1970
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Sailko - CC BY 3.0
Curtius, Rufus Quintus
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unknown (original image); Centpacrr - Public Domain
Hershey, Milton Snavely, 1857-1945
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Hare, Thomas, 1806-1891
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Cartan, Henri, 1904-2008
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photographer unknown; scanned by myself - Public Domain
Tryfanwy, 1867-1924
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Davies, Thomas, 1713-1785
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Bronck, Jonas, approximately 1600-1643
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Origanus, David, 1558-1628
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unknown - Public Domain
Lucas, F. L. (Frank Laurence), 1894-1967
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:en:Alexander_Hay_Ritchie (1822–1895) - Public Domain
Hall, Hiland, 1795-1885
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unknown - Public Domain
Beard, George M. (George Miller), 1839-1883
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Rosser, Celia E., 1930-....
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Derleth, August, 1909-1971
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Salt Publishing - CC BY-SA 2.5
Hulse, Michael, 1955-....
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unknown - Public Domain
Fletcher, William Isaac, 1844-1917
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original uploader - Public Domain
Jensen, James A., 1918-
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US Government Printing Office - Public Domain
Fithian, Floyd James, 1928-
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Suetorp - CC BY-SA 3.0
Gallagher, Jack, 1947-
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Calmette, A. (Albert), 1863-1933