Image from Wikimedia Commons
Contemporary photograph - Public Domain
Unknown military photographer - Public Domain
Prints and Photographs Division, Library of Congress, Digital ID# ppmsca-13430 - Public Domain
Emma Hardinge Britten - Public Domain
World Economic Forum - CC BY-SA 2.0
Saddhiyama - Public Domain
unknown. Stitch and restoration by Jebulon - Public Domain
Public Domain
unknown - Public Domain
Tsukioka Yoshitoshi - Public Domain
John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
Hazen S. Pingree - Public Domain
James William Giles (1801-1870) - Public Domain
neznámí - Public Domain
scan by Sidonius - Public Domain
(...) Punt / Anefo -
Gedenkstaette Bergen-Belsen - Public Domain
original uploader - Public Domain
Image from Wikimedia Commons
Bernstorff, Johann Heinrich, Graf von, 1862-1939
Image from Wikimedia Commons
Contemporary photograph - Public Domain
Williams, J. (John), 1817-1899
Image from Wikimedia Commons
Unknown military photographer - Public Domain
Hopwood, Herbert G. (Herbert Gladstone), 1898-1966
Image from Wikimedia Commons
Prints and Photographs Division, Library of Congress, Digital ID# ppmsca-13430 - Public Domain
Chamberlin, Frank Tolles, 1873-1961
Image from Wikimedia Commons
Emma Hardinge Britten - Public Domain
Rogers, Edmund Dawson, 1823-1910
Image from Wikimedia Commons
World Economic Forum - CC BY-SA 2.0
Green, Stephen, 1948-
Image from Wikimedia Commons
Saddhiyama - Public Domain
Jørgensen, Johannes, 1866-1956
Image from Wikimedia Commons
Tuke, William, 1732-1822
Image from Wikimedia Commons
Wiechowicz, Stanisław
Image from Wikimedia Commons
unknown. Stitch and restoration by Jebulon - Public Domain
Haussmann, Georges Eugène, baron, 1809-1891
Image from Wikimedia Commons
Public Domain
Voorhees, Daniel W. (Daniel Wolsey), 1827-1897
Image from Wikimedia Commons
Bonhoeffer, Dietrich, 1906-1945
Image from Wikimedia Commons
Lonsdale, William Lowther, Earl of, 1787-1872
Image from Wikimedia Commons
Wyatt, Thomas Henry, 1807-1880
Image from Wikimedia Commons
unknown - Public Domain
Fountaine, Margaret, 1862-1940
Image from Wikimedia Commons
Tsukioka Yoshitoshi - Public Domain
Murasaki Shikibu, 978?-
Image from Wikimedia Commons
John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
Brown, Anne, 1912-2009
Image from Wikimedia Commons
Canth, Minna
Image from Wikimedia Commons
Stanton, Benjamin, 1809-1872
Image from Wikimedia Commons
Hazen S. Pingree - Public Domain
Pingree, Hazen S., 1840-1901
Image from Wikimedia Commons
James William Giles (1801-1870) - Public Domain
Dovaston, John Freeman Milward, 1782-1854
Image from Wikimedia Commons
neznámí - Public Domain
Pokorný, Franz Xaver 1729-1794
Image from Wikimedia Commons
scan by Sidonius - Public Domain
La Harpe, Frédéric-César de, 1754-1838
Image from Wikimedia Commons
(...) Punt / Anefo -
Weisz, Frans, 1938-
Image from Wikimedia Commons
Gedenkstaette Bergen-Belsen - Public Domain
Rosensaft, Josef, 1911-1975
Image from Wikimedia Commons
Villemain, M. (Abel-François), 1790-1870
Image from Wikimedia Commons
Farrer, William, 1845-1906
Image from Wikimedia Commons
Srinivasa Sastri, V. S. (Valangaiman Sankaranarayana), 1869-1946
Image from Wikimedia Commons
Solomon, Richard H., 1937-
Image from Wikimedia Commons
original uploader - Public Domain
Porras, Belisario, 1856-1942