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Randandme - CC BY-SA 4.0
Photogravure after Lance Calkin (1859–1936) - Public Domain
Nv8200p - CC BY-SA 3.0
Vincenzoanzoletti - CC BY-SA 3.0
unknown - Public Domain
Lucas Kilian - Public Domain
Georges Seguin (Okki - CC BY-SA 3.0
Attributed to Richard Morrell Staig - Public Domain
unknown engraver - Public Domain
Fawcett5 - Public Domain
Public Domain
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Daniels, William H., 1901-1970
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Randandme - CC BY-SA 4.0
Davies, Merton E.
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Jussieu, Bernard de, 1699-1777
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Werts, George T. (George Theodore), 1846-1910
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Galloway, John Stewart, Earl of, 1736-1806
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Herndon, Alonzo, 1858-
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Photogravure after Lance Calkin (1859–1936) - Public Domain
Jackson, J. Hughlings (John Hughlings), 1835-1911
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Wüllner, Franz, 1832-1902
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Weber, Marianne, 1870-1954
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Nv8200p - CC BY-SA 3.0
Perrotta, Tom, 1961-...
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Thomson, Mr. (George), 1757-1851
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Patouillard, Narcisse Théophile, 1854-1926
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Vincenzoanzoletti - CC BY-SA 3.0
Siepi, Cesare
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unknown - Public Domain
Potts, Benjamin F. (Benjamin Franklin), 1836-1887
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Lucas Kilian - Public Domain
Leslie, Walter von 1607-1667
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Taussig, William
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Murray, Charles, 1754-1821
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Georges Seguin (Okki - CC BY-SA 3.0
Shanower, Eric.
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Lauritsen, Charles Christian, 1892-1968
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Attributed to Richard Morrell Staig - Public Domain
Van Rensselaer, Jeremiah, 1740-1810
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unknown - Public Domain
Orosius, Paulus
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Kohler, Walter J., Jr. (Walter Jodok), 1904-1976
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Nadler, Jerrold, 1947-
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unknown engraver - Public Domain
Barbon, Praisegod, 1596?-1679
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Czapski, Siegfried, 1861-1907
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Usiglio, Emilio, 1841-1910
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Fawcett5 - Public Domain
Cadell, Francis, 1822-1879
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unknown - Public Domain
Cowper, Spencer, 1713-1774
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Kurzweil, Allen.
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Public Domain
Stuart, James, 1713-1788