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unknown - Public Domain
Christoph Schildknecht, Fürth - Public Domain
jfer21 - CC BY-SA 3.0
Public Domain
From 1900's "The Litchfield Book of Days", edited by George Copeland Boswell (who died in 1910) - Public Domain
nvt - Public Domain
Judith B. Tankard - Public Domain
unknown - CC0 1.0
Marcus Gheeraerts the younger - Public Domain
Bull-Doser - Public Domain
photo was taken by subject's wife (Patricia Targ) - Public Domain
Hors-la-loi - CC BY-SA 4.0
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Naylor, Charles, 1806-1872
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unknown - Public Domain
Hill, Wilhelm, 1838-1902
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Christoph Schildknecht, Fürth - Public Domain
Löhe, Wilhelm, 1808-1872
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Bradman, Donald George, Sir, 1908-
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jfer21 - CC BY-SA 3.0
Damon, Stuart
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Prout, William, 1785-1850
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unknown - Public Domain
O'Brien, George M., 1917-1986
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Dawson, Anne, 1896-1989
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Public Domain
Daniel, Peter V. (Peter Vivian), 1784-1860
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From 1900's "The Litchfield Book of Days", edited by George Copeland Boswell (who died in 1910) - Public Domain
Woodruff, George C. (George Catlin), 1805-1885
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nvt - Public Domain
Andriessen, Willem, 1887-1964
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unknown - Public Domain
Halsted, George Bruce, 1853-1922
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Judith B. Tankard - Public Domain
Shipman, Ellen, 1869-1950
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Fitz Gerald, E. A. (Edward Arthur), 1871-
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unknown - CC0 1.0
Blair, John L. (John Leo), 1888-1962
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Lindau, Paul, 1839-1919
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Alomía Robles, Daniel, 1871-1942
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Stephen, E. (Edward), 1822-1885
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Brownley, Julia, 1952-
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Cao, Pi, 187-226
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Marcus Gheeraerts the younger - Public Domain
Fanshawe, Thomas, 1530?-1601
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Piddington, Albert Bathurst, 1862-1945
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Tischbein, Johann Heinrich Wilhelm, 1751-1829
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John I, King of Portugal, 1357-1433
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Zuntz, N. (Nathan), 1847-1920
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Bull-Doser - Public Domain
Millaire, Albert, 1935-
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unknown - Public Domain
Barker, Alfred Charles
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Maton, William George, 1774-1835
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photo was taken by subject's wife (Patricia Targ) - Public Domain
Targ, Russell.
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Hors-la-loi - CC BY-SA 4.0
Flower, Edward Fordham, 1805-1883