Image from Wikimedia Commons
Joseph Siffred Duplessis - Public Domain
Philip Crellin Jr. (1823-1912) (photographer, 87 Regent Street, London - Public Domain
Eglė Rakauskaitė - CC BY-SA 4.0
Internet Archive Book Images - Public Domain
Ricardo de Los Rios (1846-1929) - Public Domain
Sara Facio - Public Domain
Wikizoli - CC BY-SA 4.0
Abebenjoe - CC BY-SA 3.0
Elekes Andor - CC BY-SA 4.0
Public Domain
unknown - Public Domain
Nightscream - CC BY 3.0
An unknown serviceman of University of Pisa - Public Domain
Paul Berger (photographer). Breitkopf & Härtel, London (publisher). - Public Domain
unknown - CC BY-SA 3.0
Kreidezeichnung von J.Schmeller, Goethe-Nationalmuseum Weimar (1932) -
Image from Wikimedia Commons
Joseph Siffred Duplessis - Public Domain
Thomas, M. (Antoine Léonard), 1732-1785
Image from Wikimedia Commons
Hardenberg, Albert, approximately 1510-1574
Image from Wikimedia Commons
Philip Crellin Jr. (1823-1912) (photographer, 87 Regent Street, London - Public Domain
Seeley, John Robert, Sir, 1834-1895
Image from Wikimedia Commons
Ingram, Rex, 1892-1950
Image from Wikimedia Commons
Merrill, W. E. (William Emery), 1837-1891
Image from Wikimedia Commons
O'Donnell, Francis
Image from Wikimedia Commons
Calkins, William H. (William Henry), 1842-1894
Image from Wikimedia Commons
Eglė Rakauskaitė - CC BY-SA 4.0
Rakauskaitė, Eglė 1967-
Image from Wikimedia Commons
Decrès, Denis, duc, 1761-1820
Image from Wikimedia Commons
Internet Archive Book Images - Public Domain
Orcagna, Andrea, 1308-1368
Image from Wikimedia Commons
Miller, Henry, 1891-1980.
Image from Wikimedia Commons
Merman, Ethel, 1908-1984
Image from Wikimedia Commons
Ricardo de Los Rios (1846-1929) - Public Domain
Cazalis, Henri, 1840-1909
Image from Wikimedia Commons
Giacchino, Michael
Image from Wikimedia Commons
Palazzeschi, Aldo, 1885-1974
Image from Wikimedia Commons
Sara Facio - Public Domain
Cortázar, Julio
Image from Wikimedia Commons
O'Connor, T. P. (Thomas Power), 1848-1929
Image from Wikimedia Commons
Wikizoli - CC BY-SA 4.0
Bretan, Nicolae
Image from Wikimedia Commons
Abebenjoe - CC BY-SA 3.0
Turner, John N.
Image from Wikimedia Commons
Elekes Andor - CC BY-SA 4.0
Harris, Robin, 1952-
Image from Wikimedia Commons
Marshall, P. (Patrick), 1869-1950
Image from Wikimedia Commons
Public Domain
Müller, George, 1805-1898
Image from Wikimedia Commons
unknown - Public Domain
Steinitz, William, 1836-1900
Image from Wikimedia Commons
Esselin, Alter, 1889-
Image from Wikimedia Commons
Jebb, Richard, Sir, 1729-1787
Image from Wikimedia Commons
Nightscream - CC BY 3.0
Madden, Matt.
Image from Wikimedia Commons
An unknown serviceman of University of Pisa - Public Domain
Brunacci, Vincenzo, 1768-1818
Image from Wikimedia Commons
Paul Berger (photographer). Breitkopf & Härtel, London (publisher). - Public Domain
Widor, Charles-Marie
Image from Wikimedia Commons
unknown - CC BY-SA 3.0
Heilprin, Angelo, 1853-1907
Image from Wikimedia Commons
Kreidezeichnung von J.Schmeller, Goethe-Nationalmuseum Weimar (1932) -
Müller, Friedrich von, 1779-1849