Image from Wikimedia Commons
Alexander Sutherland (book author) - Public Domain
unknown - Public Domain
David McNally - CC BY-SA 4.0
KEN - CC BY-SA 3.0
original uploader - Public Domain
Susannah B. F. Paletz - CC BY 3.0
The United States of America - Public Domain
Roger Fenton - Public Domain
Dan Harasymchuk - CC BY-SA 4.0
nn - Public Domain
José Malanca - Public Domain
John Opie - Public Domain
Mathew Brady - Public Domain
anonymous - Public Domain
Image from Wikimedia Commons
Graetz, Heinrich, 1817-1891
Image from Wikimedia Commons
Alexander Sutherland (book author) - Public Domain
Hagenauer, F. A. (Frederick August), 1829-1909
Image from Wikimedia Commons
Hays, Matilda M
Image from Wikimedia Commons
unknown - Public Domain
Kappelʹ, Vladimir Oskarovich, 1883-1920
Image from Wikimedia Commons
David McNally - CC BY-SA 4.0
McNally, David, 1953-....
Image from Wikimedia Commons
Olmos, Edward James
Image from Wikimedia Commons
KEN - CC BY-SA 3.0
Burgess, E. W. (Ernest Watson), 1886-1966
Image from Wikimedia Commons
Amagatsu, Ushio, 1949-....
Image from Wikimedia Commons
original uploader - Public Domain
Bryan, George, 1731-1791
Image from Wikimedia Commons
Susannah B. F. Paletz - CC BY 3.0
Moi, Toril.
Image from Wikimedia Commons
Čarnogurský, Ján
Image from Wikimedia Commons
The United States of America - Public Domain
Vandergriff, Tom J.
Image from Wikimedia Commons
Roger Fenton - Public Domain
Pennefather, John L. (John Lysaght), Sir, 1800-1872
Image from Wikimedia Commons
Stern, Bill, 1907-1971
Image from Wikimedia Commons
unknown - Public Domain
Mathews, Henry M. (Henry Mason), 1834-1884
Image from Wikimedia Commons
Pleasence, Donald, 1919-1995
Image from Wikimedia Commons
Rodgers, Richard, 1902-1979
Image from Wikimedia Commons
Dan Harasymchuk - CC BY-SA 4.0
Metcalf, John, 1938-....
Image from Wikimedia Commons
unknown - Public Domain
Smith, George Adam, 1856-1942
Image from Wikimedia Commons
Sloane, Everett, 1909-1965
Image from Wikimedia Commons
unknown - Public Domain
Bartlett, John, 1820-1905
Image from Wikimedia Commons
nn - Public Domain
Znaniecki, Florian, 1882-1958
Image from Wikimedia Commons
José Malanca - Public Domain
Mariátegui, José Carlos, 1894-1930
Image from Wikimedia Commons
John Opie - Public Domain
Monro, Henry
Image from Wikimedia Commons
Lemerre, Alphonse, 1838-1912
Image from Wikimedia Commons
McReynolds, Samuel Davis, 1872-1939
Image from Wikimedia Commons
Mathew Brady - Public Domain
Darrall, C. B. (Chester Bidwell), 1842-1908
Image from Wikimedia Commons
anonymous - Public Domain
Heath, Thomas Kurton, 1853-1938
Image from Wikimedia Commons
Smollett, T. (Tobias), 1721-1771
Image from Wikimedia Commons
Hoepner, Erich