Image from Wikimedia Commons
Etching by Richard Gaywood - Public Domain
unknown - Public Domain
THP - Public Domain
Scanned by me Jimmy3d0 - CC0 1.0
Public Domain
William Sherlock, (1738 - ?) - Public Domain
Peter symonds -
Talmoryair - CC BY-SA 3.0
Marie-Louise Regler -
Boston Society of Natural History - Public Domain
Bain News Service, publisher - Public Domain
Image from Wikimedia Commons
Gemini 11 (Spacecraft)
Image from Wikimedia Commons
Etching by Richard Gaywood - Public Domain
Trapp, John, 1601-1669
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unknown - Public Domain
Campbell, Thomas, 1763-1854
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unknown - Public Domain
Blake, Eubie, 1887-1983
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unknown - Public Domain
Landes, Ruth, 1908-1991
Image from Wikimedia Commons
Purcell, Henry, 1659-1695
Image from Wikimedia Commons
THP - Public Domain
Carpenter, Philip P. (Philip Pearsall), 1819-1877
Image from Wikimedia Commons
Scanned by me Jimmy3d0 - CC0 1.0
Scott, Charles Kennedy, 1876-1965
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unknown - Public Domain
Steinthal, Heymann, 1823-1899
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unknown - Public Domain
Williams, Daniel Hale, 1856-1931
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Penhallow, D. P. (David Pearce), 1854-1910
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Dwight, Henry Williams, 1788-1845
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Waugh, Evelyn, 1903-1966
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unknown - Public Domain
Mendoza, Lydia
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Public Domain
Gurney, Edward J. (Edward John), 1914-1996
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Notosusanto, Nugroho
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William Sherlock, (1738 - ?) - Public Domain
Buckingham, Henry Stafford, Duke of, 1454?-1483
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Peter symonds -
Arthur, Prince, grandson of Victoria, Queen of the United Kingdom, 1883-1938
Image from Wikimedia Commons
Talmoryair - CC BY-SA 3.0
Borkovsky, Joshua, 1952-
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McGuffey, William Holmes, 1800-1873
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Kilbourne, Jean.
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Du Moulin, Pierre, 1568-1658
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Marie-Louise Regler -
Regler, Gustav, 1898-1963
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unknown - Public Domain
Herzog, Eduard, 1841-1924
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Webster, E. H. (Edwin Hanson), 1829-1893
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Cybulski, Zbigniew, 1927-1967
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Boni, Giacomo, 1859-1925
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Boston Society of Natural History - Public Domain
Minot, Charles Sedgwick, 1852-1914
Image from Wikimedia Commons
Bain News Service, publisher - Public Domain
Gatti-Casazza, Giulio, 1869-1940
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unknown - Public Domain
Allenby, Edmund Henry Hynman Allenby, Viscount, 1861-1936