Image from Wikimedia Commons
unknown - Public Domain
Georges Biard - CC BY-SA 3.0
The copyright lied with the Historische Museum Frankfurt (Historical Museum of Frankfurt) which kindly released the file under a cc-by-sa during GLAM on Tour Frankfurt 2018. - CC BY-SA 4.0
Amanda Lucidon / White House - Public Domain
Unknown -
Uncredited - Public Domain
Author unknown - Public Domain
Editors: Christie Williams and LeeAnn Roberts - Public Domain
Public Domain
Léopold-Émile Reutlinger - Public Domain
Unknown 17th Century court painter - Public Domain
Fodor - Public Domain
Guy, Cork. - Public Domain
Playwright47 - CC BY-SA 3.0
Notman Photography, Boston - Public Domain
Charles Turner James Ramsay - Public Domain
Image from Wikimedia Commons
unknown - Public Domain
Biggs, J. Crawford (James Crawford), 1872-1960
Image from Wikimedia Commons
Georges Biard - CC BY-SA 3.0
Hoffman, Dustin, 1937-....
Image from Wikimedia Commons
Jensen, Jens, 1860-1951
Image from Wikimedia Commons
Cirri, Giovanni Battista, 1724-1808
Image from Wikimedia Commons
The copyright lied with the Historische Museum Frankfurt (Historical Museum of Frankfurt) which kindly released the file under a cc-by-sa during GLAM on Tour Frankfurt 2018. - CC BY-SA 4.0
Sender, Toni, 1888-1964
Image from Wikimedia Commons
Amanda Lucidon / White House - Public Domain
Michel, James Alix, 1944-....
Image from Wikimedia Commons
Brewster, David, 1781-1868
Image from Wikimedia Commons
Unknown -
Kubišta, Bohumil, 1884-1918
Image from Wikimedia Commons
Uncredited - Public Domain
Ismail, Usmar, 1921-1971
Image from Wikimedia Commons
unknown - Public Domain
Sanguszko, Roman, książę, 1800-1881
Image from Wikimedia Commons
Author unknown - Public Domain
Ryan, P. J. (Patrick John), 1831-1911
Image from Wikimedia Commons
Editors: Christie Williams and LeeAnn Roberts - Public Domain
Ashton, Marvin J., 1915-1994
Image from Wikimedia Commons
unknown - Public Domain
Busch, Adolphus
Image from Wikimedia Commons
Public Domain
Colman, Norman J. (Norman Jay), 1827-1911
Image from Wikimedia Commons
Léopold-Émile Reutlinger - Public Domain
Robinne, Gabrielle 1886-1980
Image from Wikimedia Commons
Unknown 17th Century court painter - Public Domain
Lichfield, Charlotte Lee, Countess of, 1664-1718
Image from Wikimedia Commons
Fodor - Public Domain
Lessing, Theodor, 1872-1933
Image from Wikimedia Commons
unknown - Public Domain
Boteler, Alexander Robinson, 1815-1892
Image from Wikimedia Commons
unknown - Public Domain
Brunton, Mary, 1778-1818
Image from Wikimedia Commons
unknown - Public Domain
Cárcova, Ernesto de la 1866-1927
Image from Wikimedia Commons
Butterworth, Hezekiah, 1839-1905
Image from Wikimedia Commons
Marden, Orison Swett, 1848-1924
Image from Wikimedia Commons
Guy, Cork. - Public Domain
Ferrers, Helen, 1865 or 1866-1943
Image from Wikimedia Commons
Playwright47 - CC BY-SA 3.0
Rossi, Vittorio, 1961-....
Image from Wikimedia Commons
Notman Photography, Boston - Public Domain
Calkins, Mary Whiton, 1863-1930
Image from Wikimedia Commons
Charles Turner James Ramsay - Public Domain
Madocks, William Alexander, 1773-1828
Image from Wikimedia Commons
Mackenzie, William, 1791-1868
Image from Wikimedia Commons
Cameron, Alan, Sir, 1750-1828
Image from Wikimedia Commons
Child, Francis James, 1825-1896
Image from Wikimedia Commons
unknown - Public Domain
Amrit Kaur, Rajkumari, 1889-1964