Image from Wikimedia Commons
Adolf Neumann - Public Domain
unknown -
Unknown (private collection) - Public Domain
William Joseph Taylor -
original uploader - Public Domain
US Gov - Public Domain
Unknown, irrelevant due to age - Public Domain
Jules Pizzetta - Public Domain
unknown - Public Domain
Министерство обороны Российской Федерации -
State Library of New South Wales collection -
Wilson, James Grant, 1832-1914; Fiske, John, 1842-1901; Dick, Charles, 1858-; Homans, James Edward, 1865- - Public Domain
Public Domain
Jacob - Public Domain
Harry Gair -
Image from Wikimedia Commons
Meredith, Lois
Image from Wikimedia Commons
Forestier, Frédéric
Image from Wikimedia Commons
Cotton, Arthur, Sir, 1803-1899
Image from Wikimedia Commons
Adolf Neumann - Public Domain
Prutz, Robert Eduard, 1816-1872
Image from Wikimedia Commons
Talcott, Allen Butler, 1867-1908
Image from Wikimedia Commons
unknown -
Skyrms, Brian
Image from Wikimedia Commons
Unknown (private collection) - Public Domain
Pozzi, Catherine, 1882-1934
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William Joseph Taylor -
Combe, Taylor, 1774-1826
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original uploader - Public Domain
Devens, Charles, 1820-1891
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US Gov - Public Domain
Adams, Brock, 1927-2004
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Esch, John J. (John Jacob), 1861-1941
Image from Wikimedia Commons
Unknown, irrelevant due to age - Public Domain
Rust, Albert, -1870
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Jules Pizzetta - Public Domain
Brongniart, Alexandre, 1770-1847
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Stevenson, Robert, 1772-1850
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unknown - Public Domain
Parker, Edgar Randolph, 1872-1952
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Министерство обороны Российской Федерации -
Maĭskiĭ, I. M. (Ivan Mikhaĭlovich), 1884-1975
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Culpeper, Nicholas, 1616-1654
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State Library of New South Wales collection -
Street, Jessie M. G., Lady, 1889-1970
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Kramskoĭ, Ivan Nikolaevich, 1837-1887
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Wilson, James Grant, 1832-1914; Fiske, John, 1842-1901; Dick, Charles, 1858-; Homans, James Edward, 1865- - Public Domain
Lewis, Isaac Newton, 1858-1931
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unknown -
Von Herff, Ferdinand Ludwig, 1820-1912
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Wright, Milton, 1828-1917
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Public Domain
Price, Hiram, 1814-1901
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Boucicault, Dion, 1859-1929
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Public Domain
Sarnoff, David
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Jacob - Public Domain
Pelletan, Philippe-Jean, 1747-1829
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Harry Gair -
Gair, Harry A.
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Fullerton, Charles G. (Charles Gordon)
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Neumann, F. E. (Franz Ernst), 1798-1895
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Whiteside, James, 1804-1876