Image from Wikimedia Commons
Henri Brauer et. al. - Public Domain
Bassano Ltd - Public Domain
original uploader - Public Domain
unknown - Public Domain
user at project - Public Domain
New York Sunday News - Public Domain
Everts, Ensign & Everts (Philadelphia). - Public Domain
David Saddler - CC BY 2.0
Public Domain
Mutari - Public Domain
Not stated - Public Domain
Brianthebrain2 - CC BY-SA 4.0
A Bureau of Reclamation photographer - Public Domain
Image from Wikimedia Commons
Henri Brauer et. al. - Public Domain
Decourcelle, Pierre, 1856-1926
Image from Wikimedia Commons
Bassano Ltd - Public Domain
Matthews, W. R. (Walter Robert), 1881-1973
Image from Wikimedia Commons
McCambridge, Mercedes
Image from Wikimedia Commons
Eyton, T. C. (Thomas Campbell), 1809-1880
Image from Wikimedia Commons
original uploader - Public Domain
Atherton, Charles Gordon, 1804-1853
Image from Wikimedia Commons
Courboin, Charles M. (Charles Marie), 1884-1973
Image from Wikimedia Commons
unknown - Public Domain
Franciolini, Gianni, 1910-1960
Image from Wikimedia Commons
Mosley, Oswald, 1896-1980
Image from Wikimedia Commons
user at project - Public Domain
Jacobs, Irwin Mark.
Image from Wikimedia Commons
New York Sunday News - Public Domain
Moore, Constance, 1920-2005
Image from Wikimedia Commons
Martin du Gard, Roger, 1881-1958
Image from Wikimedia Commons
Everts, Ensign & Everts (Philadelphia). - Public Domain
Pringle, Benjamin, 1807-1887
Image from Wikimedia Commons
Reynolds, John M. (John Merriman), 1848-1933
Image from Wikimedia Commons
David Saddler - CC BY 2.0
Bromberg, David, 1945-
Image from Wikimedia Commons
Calmette, A. (Albert), 1863-1933
Image from Wikimedia Commons
Public Domain
Grantham, Thomas Robinson, 2nd Baron
Image from Wikimedia Commons
unknown - Public Domain
Kemeny, Emil, 1860-1925
Image from Wikimedia Commons
Jensen, Jens, 1860-1951
Image from Wikimedia Commons
Spencer, Lorillard, 1883-1939
Image from Wikimedia Commons
Sweet, Blanche
Image from Wikimedia Commons
Short, Peyton, 1761-1825
Image from Wikimedia Commons
Mutari - Public Domain
Allende, Isabel
Image from Wikimedia Commons
Not stated - Public Domain
Gilbert, Lionel Arthur
Image from Wikimedia Commons
Westermann, François Joseph 1751-1794
Image from Wikimedia Commons
Wylie, I.A.R. (Ida Alexa Ross), 1885-1959
Image from Wikimedia Commons
Brianthebrain2 - CC BY-SA 4.0
Dutilleux, Henri, 1916-2013
Image from Wikimedia Commons
Shiloaḥ, Yosef, 1941-2011
Image from Wikimedia Commons
unknown - Public Domain
Tanaka, Fujimaro, 1845 or 1846-1909
Image from Wikimedia Commons
A Bureau of Reclamation photographer - Public Domain
Crowe, Frank T., 1882-1946
Image from Wikimedia Commons
Stewart, Alexander Turney, 1803-1876