Image from Wikimedia Commons
Cornelis van Dalen, after Unknown artist - Public Domain
Encyclopaedia Britannica, Inc. - Public Domain
Общественное достояние -
unknown - Public Domain
Klemens Ammon - Public Domain
U.S. government photographer - Public Domain
Oktawiusz - CC BY-SA 3.0
Blaues Sofa - CC BY 2.0
not given, credited to the Hawaiian Historical Society - Public Domain
:de:Jean-Auguste-Dominique Ingres (1780 - 1867) - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
unknown -
*Scholten, J. A. (John A.), 1829-1886 , photographer - Public Domain
original uploader - Public Domain
Почта России: - Public Domain
unknown photographer - Public Domain
Konrad Jacobs, Erlangen - CC BY-SA 2.0
A. Jonniaux - Public Domain
Image from Wikimedia Commons
Cornelis van Dalen, after Unknown artist - Public Domain
Sylvester, Josuah, 1563-1618
Image from Wikimedia Commons
Encyclopaedia Britannica, Inc. - Public Domain
Keyserling, Hermann, Graf von, 1880-1946
Image from Wikimedia Commons
Chambers, William, Sir, 1726-1796
Image from Wikimedia Commons
Общественное достояние -
Plastēras, Nikolaos, 1882-1953
Image from Wikimedia Commons
unknown - Public Domain
Fox, Edward Long, 1761-1835
Image from Wikimedia Commons
Lajtha, László
Image from Wikimedia Commons
Klemens Ammon - Public Domain
Oecolampadius, Johann, 1482-1531
Image from Wikimedia Commons
unknown - Public Domain
Daveiss, Joseph Hamilton, 1774-1811
Image from Wikimedia Commons
U.S. government photographer - Public Domain
Marcos, Imelda Romualdez, 1929-
Image from Wikimedia Commons
Oktawiusz - CC BY-SA 3.0
Bartet, Jeanne Julia
Image from Wikimedia Commons
Mauro, Philip, 1859-1952
Image from Wikimedia Commons
unknown - Public Domain
Walker, Ernest, 1870-1949
Image from Wikimedia Commons
Blaues Sofa - CC BY 2.0
Grass, Günter, 1927-
Image from Wikimedia Commons
Witwicki, Władysław, 1878-1948
Image from Wikimedia Commons
not given, credited to the Hawaiian Historical Society - Public Domain
Severance, Luther, 1797-1855
Image from Wikimedia Commons
:de:Jean-Auguste-Dominique Ingres (1780 - 1867) - Public Domain
Cockerell, C.R. (Charles Robert), 1788-1863
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Mitchell, John H. (John Hipple), 1835-1905
Image from Wikimedia Commons
unknown -
Hamilton, Patrick, 1904 March 17-1962
Image from Wikimedia Commons
Wieland, H. (Heinrich), 1877-
Image from Wikimedia Commons
Müller von Königswinter, Wolfgang, 1816-1873
Image from Wikimedia Commons
*Scholten, J. A. (John A.), 1829-1886 , photographer - Public Domain
Minor, Virginia, 1824-1894
Image from Wikimedia Commons
original uploader - Public Domain
Rudolphi, Karl Asmund, 1771-1832
Image from Wikimedia Commons
Почта России: - Public Domain
Kheĭfit︠s︡, Iosif, 1905-1995
Image from Wikimedia Commons
Hilgard, Eugene W. (Eugene Woldemar), 1833-1916
Image from Wikimedia Commons
unknown photographer - Public Domain
Maynard, Kermit, 1897-1971
Image from Wikimedia Commons
Konrad Jacobs, Erlangen - CC BY-SA 2.0
Browder, William
Image from Wikimedia Commons
Norwid, Cyprian, 1821-1883
Image from Wikimedia Commons
A. Jonniaux - Public Domain
Kee, John, 1874-1951
Image from Wikimedia Commons
unknown - Public Domain
Fox, Richard, approximately 1447-
Image from Wikimedia Commons
unknown - Public Domain
Albani, Emma