Image from Wikimedia Commons
Edward Bradley (1827–1889) - Public Domain
Jean-Denis Attiret - Public Domain
Wilford Conrow -
Thomas Carrick (1802–1874) - Public Domain
unknown - Public Domain
Jacob HoubrakenJan Maurits Quinkhard - Public Domain
Bain - Public Domain
Laura Kolb - CC BY 2.0
Public Domain
=unknown -
LesMeloures -
original uploader -
Aime' Dupont - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
unknown / *:File:MVcatontrent.jpg - Public Domain
Collin, Richard - (1626 - 1687) - Public Domain
anonymous -
Theophilus Thompson (1807-1860) - Public Domain
Image from Wikimedia Commons
Edward Bradley (1827–1889) - Public Domain
Bede, Cuthbert, 1827-1889
Image from Wikimedia Commons
Jean-Denis Attiret - Public Domain
Attiret, Jean-Denis, 1702-1768
Image from Wikimedia Commons
Wilford Conrow -
Goodyear, W.H. (William Henry), 1846-1923
Image from Wikimedia Commons
Thomas Carrick (1802–1874) - Public Domain
Allom, Thomas, 1804-1872
Image from Wikimedia Commons
unknown - Public Domain
Evans, Henry Clay, 1843-1921
Image from Wikimedia Commons
Bissolati, Leonida, 1857-1920
Image from Wikimedia Commons
Jacob HoubrakenJan Maurits Quinkhard - Public Domain
Drakenborch, Arnold, 1684-1748
Image from Wikimedia Commons
unknown - Public Domain
Kundt, August, 1839-1894
Image from Wikimedia Commons
Bain - Public Domain
Wallace, Hugh Campbell, 1863-1931
Image from Wikimedia Commons
Laura Kolb - CC BY 2.0
McKenna, Dave
Image from Wikimedia Commons
Public Domain
Fannin, Paul J. (Paul Jones), 1907-2002
Image from Wikimedia Commons
Bell, Ken
Image from Wikimedia Commons
Faujas-de-St.-Fond, cit. (Barthélemy), 1741-1819
Image from Wikimedia Commons
=unknown -
Neufeld, Max, 1887-1967
Image from Wikimedia Commons
Hawkins, George Sydney, 1808-1878
Image from Wikimedia Commons
Dethomas, Maxime, 1867-1929
Image from Wikimedia Commons
Constant, Benjamin, 1767-1830
Image from Wikimedia Commons
Corneille, 1922-2010
Image from Wikimedia Commons
LesMeloures -
Harze, Leopold
Image from Wikimedia Commons
original uploader -
Popenoe, Paul, 1888-1979
Image from Wikimedia Commons
Aime' Dupont - Public Domain
Miller, Henry, 1860-1926
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Tucker, John Randolph, 1823-1897
Image from Wikimedia Commons
unknown / *:File:MVcatontrent.jpg - Public Domain
Vaniman, Melvin
Image from Wikimedia Commons
Collin, Richard - (1626 - 1687) - Public Domain
Gastañaga, Francisco Antonio de Agurto, marqués de, approximately 1641-1702
Image from Wikimedia Commons
Mccartney, Paul
Image from Wikimedia Commons
anonymous -
Mauthner, Fritz, 1849-1923
Image from Wikimedia Commons
Maillart, Aimé, 1817-1871
Image from Wikimedia Commons
Theophilus Thompson (1807-1860) - Public Domain
Thompson, Theophilus, 1807-1860
Image from Wikimedia Commons
unknown - Public Domain
Qin shi huang, Emperor of China, 259 B.C.-210 B.C.
Image from Wikimedia Commons
Public Domain
Canton, Frank, 1849-1927