Image from Wikimedia Commons
Bain - Public Domain
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Pedro Felipe - CC BY-SA 3.0
Richard Neville Speaight (1875-1938) - Public Domain
Harris & Ewing - Public Domain
unknown - Public Domain
Bain News Service, publisher - Public Domain
unknown. Upload, stitch and restoration by Jebulon - Public Domain
Trudy Nguyen - CC0 1.0
unknown -
Mathew Brady Levin Corot Handy - Public Domain
Stephencdickson - CC BY-SA 4.0
Public Domain
National Book League (Great Britain) - Public Domain
Image from Wikimedia Commons
Force, M. F. (Manning Ferguson), 1824-1899
Image from Wikimedia Commons
Bain - Public Domain
Morgan, Junius Spencer, 1892-1960
Image from Wikimedia Commons
Fabre, Hector, 1834-1901.
Image from Wikimedia Commons
Joseph Kriehuber Foto: :de:Peter Geymayer - Public Domain
Frezzolini, Erminia, 1818-1884
Image from Wikimedia Commons
Pedro Felipe - CC BY-SA 3.0
Bursztyn, Feliza
Image from Wikimedia Commons
Heyward, DuBose, 1885-1940
Image from Wikimedia Commons
Bida, Alexandre, 1813-1895
Image from Wikimedia Commons
Shearman, Montague, 1857-1930
Image from Wikimedia Commons
Hopper, Jo N. (Josephine Nivison), 1883-1968
Image from Wikimedia Commons
Richard Neville Speaight (1875-1938) - Public Domain
B. T. B. (Basil Temple Blackwood), 1870-1917
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Gay, Edward J. (Edward James), 1878-1952
Image from Wikimedia Commons
unknown - Public Domain
Stone, William Joel, 1848-1918
Image from Wikimedia Commons
Garfielde, S. (Selucius), 1822-1883
Image from Wikimedia Commons
Untermyer, Samuel, 1858-1940
Image from Wikimedia Commons
Ginter, Lewis, 1824-1897
Image from Wikimedia Commons
Ibbetson, Julius, 1759-1817
Image from Wikimedia Commons
Bain News Service, publisher - Public Domain
Reuterdahl, Henry, 1871-1925
Image from Wikimedia Commons
Harding, George Matthews, 1882-1959
Image from Wikimedia Commons
unknown. Upload, stitch and restoration by Jebulon - Public Domain
Candolle, Alphonse de 1806-1893
Image from Wikimedia Commons
Pellerin, Joseph, 1684-1782
Image from Wikimedia Commons
Trudy Nguyen - CC0 1.0
Kornberg, H. L.
Image from Wikimedia Commons
Maupassant, Guy de, 1850-1893
Image from Wikimedia Commons
Veidt, Conrad, 1893-1943
Image from Wikimedia Commons
unknown -
Gravey, Fernand
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Miller, Samuel Freeman, 1816-1890
Image from Wikimedia Commons
Stephencdickson - CC BY-SA 4.0
Raymond, Robert Raymond, Baron, 1673-1733
Image from Wikimedia Commons
Public Domain
Holyoake, George-Jacob 1817-1906
Image from Wikimedia Commons
Porto Alegre, Manuel de Araújo, 1806-1879
Image from Wikimedia Commons
National Book League (Great Britain) - Public Domain
Scudder, Horace Elisha, 1838-1902
Image from Wikimedia Commons
unknown - Public Domain
Small, Samuel W. (Samuel White), 1851-1931