Image from Wikimedia Commons
unknown - Public Domain
Paul Berger (photographer). Breitkopf & Härtel, London (publisher). - Public Domain
Unknown. Publisher: New York: Eloquent Press, N. Morgillo -
W. Woodford Clayton, author. Everts & Peck (Philadelphia, PA), publisher. - Public Domain
Alan Light - CC BY 2.0
Samuel Lovett Waldo - Public Domain
Original painter unknown, digitized by Internet Archive, converted and cropped by me - Public Domain
user at project - Public Domain
unknown -
Desmonddelaney - CC BY-SA 4.0
United States Library of Congress - Public Domain
Amber Samuels - Public Domain
Internet Archive Book Images - Public Domain
James Pardon - Public Domain
Heinrich Friedrich Füger original uploader - Public Domain
Open Media Ltd. - CC BY-SA 3.0
Image from Wikimedia Commons
Wells, David Ames, 1828-1898
Image from Wikimedia Commons
unknown - Public Domain
Frazer, John Fries, 1812-1872
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Jürgensen, Jørgen, 1780-
Image from Wikimedia Commons
Foster, Stephen Clark, 1820-1898
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McNicoll, Helen, 1879-1915
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Marable, Fate, 1890-1947
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Jadwin, Edgar, 1865-1931
Image from Wikimedia Commons
Paul Berger (photographer). Breitkopf & Härtel, London (publisher). - Public Domain
Widor, Charles-Marie
Image from Wikimedia Commons
Vestris, Auguste, 1760-1842
Image from Wikimedia Commons
Alison, Archibald, 1757-1839
Image from Wikimedia Commons
Unknown. Publisher: New York: Eloquent Press, N. Morgillo -
Falconetti, Renée, 1892-1946
Image from Wikimedia Commons
W. Woodford Clayton, author. Everts & Peck (Philadelphia, PA), publisher. - Public Domain
Clapp, Asa W. H. (Asa William Henry), 1805-1891
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Alan Light - CC BY 2.0
Pryor, Richard, 1940-2005
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Stoddard, Richard Henry, 1825-1903
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Henshaw, David, 1791-1852
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Samuel Lovett Waldo - Public Domain
Waldo, Samuel Lovett, 1783-1861
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Drummond, Robert Hay, 1711-1776
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Original painter unknown, digitized by Internet Archive, converted and cropped by me - Public Domain
Bloomfield, Maurice, 1855-1928
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user at project - Public Domain
Bethencourt, Pedro de San José 1626-1667
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Castillo Najera, Francisco, 1886-1954
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unknown -
Abbott, Edwin Abbott, 1838-1926
Image from Wikimedia Commons
Desmonddelaney - CC BY-SA 4.0
Urwick, Lyndall F. (Lyndall Fownes), 1891-1983
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United States Library of Congress - Public Domain
Russell, Richard B. (Richard Brevard), 1897-1971
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Amber Samuels - Public Domain
Hall, Dana
Image from Wikimedia Commons
Internet Archive Book Images - Public Domain
Burr, Esther Edwards
Image from Wikimedia Commons
James Pardon - Public Domain
Darwin, Robert Waring, 1766-1848
Image from Wikimedia Commons
Heinrich Friedrich Füger original uploader - Public Domain
Jacquin, Nikolaus Joseph, Freiherr von, 1727-1817
Image from Wikimedia Commons
Open Media Ltd. - CC BY-SA 3.0
Donleavy, J.P. (James Patrick), 1926-
Image from Wikimedia Commons
Palagi, Pelagio, 1775-1860
Image from Wikimedia Commons
unknown - Public Domain
Hamilton, William Rowan, Sir, 1805-1865