Image from Wikimedia Commons
Stephen Pearce - Public Domain
unknown - Public Domain
C.M. Stieglitz, World Telegram staff photographer - Public Domain
Harris & Ewing - Public Domain
Rare Resource - Public Domain
Benjamin Amure - CC BY-SA 2.0
Meyere de, Jan - Public Domain
National Photo Company - Public Domain
Public Domain
Additional digital editing by Tim Davenport ("Carrite") for Wikipedia, no copyright claimed for the work, file released to the public domain without restriction. - CC0 1.0
unknown -
Josef Mukařovský - Public Domain
Image from Wikimedia Commons
Stephen Pearce - Public Domain
Richards, G. H. (George Henry)
Image from Wikimedia Commons
unknown - Public Domain
Poznański, Samuel
Image from Wikimedia Commons
Lester, C. Edwards (Charles Edwards), 1815-1890
Image from Wikimedia Commons
C.M. Stieglitz, World Telegram staff photographer - Public Domain
Moses, Robert, 1888-1981
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Murphy, Frank, 1890-1949
Image from Wikimedia Commons
Cotler, I. (Irwin), 1940-
Image from Wikimedia Commons
unknown - Public Domain
Shternberg, Lev I︠A︡kovlevich, 1861-1927
Image from Wikimedia Commons
Rare Resource - Public Domain
Crespin, Irene, 1896-
Image from Wikimedia Commons
Benjamin Amure - CC BY-SA 2.0
Parker, Evan
Image from Wikimedia Commons
Denham, John, Sir, 1559-1639
Image from Wikimedia Commons
Learning, Walter, 1938-
Image from Wikimedia Commons
unknown - Public Domain
Hernández, José, 1834-1886
Image from Wikimedia Commons
Meek, F. B. (Fielding Bradford), 1817-1876
Image from Wikimedia Commons
Wilkinson, Tom, 1948-....
Image from Wikimedia Commons
Baugh, Alexander L.
Image from Wikimedia Commons
Meyere de, Jan - Public Domain
Derkert, Siri, 1888-1973
Image from Wikimedia Commons
Ranger, Henry Ward, 1858-1916
Image from Wikimedia Commons
Chancellor, William Estabrook, 1867-1963
Image from Wikimedia Commons
National Photo Company - Public Domain
McCain, H. P. (Henry Pinckney), 1861-1941
Image from Wikimedia Commons
Hesiod
Image from Wikimedia Commons
Public Domain
Quesada, Gonzalo de 1868-1915
Image from Wikimedia Commons
Araquistáin, Luis, 1886-1959
Image from Wikimedia Commons
Public Domain
Tuttle, Elbert P. (Elbert Parr), 1897-1996
Image from Wikimedia Commons
unknown - Public Domain
Bacon, Anthony, 1558-1601
Image from Wikimedia Commons
Brasillach, Robert, 1909-1945
Image from Wikimedia Commons
Rothier, Léon 1874-1951
Image from Wikimedia Commons
Additional digital editing by Tim Davenport ("Carrite") for Wikipedia, no copyright claimed for the work, file released to the public domain without restriction. - CC0 1.0
Allen, James S.
Image from Wikimedia Commons
unknown - Public Domain
Astor, Caroline Schermerhorn, 1830-1908
Image from Wikimedia Commons
unknown -
Howitt, A. W. (Alfred William), 1830-1908
Image from Wikimedia Commons
Josef Mukařovský - Public Domain
Koželuh, Jan Antonín, 1738-1814