Image from Wikimedia Commons
:hu:Csurla - CC BY-SA 2.5
Author of the images is not credited in the book - Public Domain
Albert Rudomine - Public Domain
original uploader - Public Domain
Unknown photographer/artist - Public Domain
Public Domain
unknown - Public Domain
Mathew Brady - Public Domain
Francis Bazley Lee - Public Domain
U.S. Army Office of Public Affairs - Public Domain
unknown. Original uploader was Outremer31 - Public Domain
Boberger - CC BY 3.0
Albert Chevallier Tayler - Public Domain
Thomas R Machnitzki (thomas@machnitzki.com) - CC BY 3.0
Image from Wikimedia Commons
Harvey, Fred
Image from Wikimedia Commons
Little, Jonathan David
Image from Wikimedia Commons
Stanhope, Hester, Lady, 1776-1839
Image from Wikimedia Commons
Vierge, Daniel, 1851-1904
Image from Wikimedia Commons
:hu:Csurla - CC BY-SA 2.5
Kovács, Margit, 1902-1977
Image from Wikimedia Commons
Scheiber, Hugó, 1873-1950
Image from Wikimedia Commons
Bergius, Friedrich, 1884-
Image from Wikimedia Commons
Gordon, Laura de Force, 1838-1907
Image from Wikimedia Commons
Author of the images is not credited in the book - Public Domain
Lanrezac, Charles Louis Marie, 1852-1925
Image from Wikimedia Commons
Albert Rudomine - Public Domain
Angelici, Martha, 1907-1973
Image from Wikimedia Commons
original uploader - Public Domain
Regan, Tom.
Image from Wikimedia Commons
Unknown photographer/artist - Public Domain
Farber, Sidney, 1903-1973
Image from Wikimedia Commons
McLean, Washington, 1816-1890
Image from Wikimedia Commons
Lawson, James Morris, Jr. , 1928-
Image from Wikimedia Commons
Worde, Wynkyn de, -1534?
Image from Wikimedia Commons
Public Domain
Schwarz, Hermann Amandus, 1843-1921
Image from Wikimedia Commons
Szulkin, Piotr, 1950-...
Image from Wikimedia Commons
David, A. A. (Albert Augustus), 1867-1950
Image from Wikimedia Commons
unknown - Public Domain
Bronsart, Hans von, 1830-1913
Image from Wikimedia Commons
Mathew Brady - Public Domain
Warner, Levi, 1831-1911
Image from Wikimedia Commons
Francis Bazley Lee - Public Domain
Williamson, Isaac H. (Isaac Halsted), 1767-1844
Image from Wikimedia Commons
U.S. Army Office of Public Affairs - Public Domain
Strickler, Daniel Bursk, 1897-1992
Image from Wikimedia Commons
unknown. Original uploader was Outremer31 - Public Domain
De Saussure, W. F. (William Ford), 1792-1870
Image from Wikimedia Commons
Boberger - CC BY 3.0
Sidén, Ann-Sofi, 1962-
Image from Wikimedia Commons
Albert Chevallier Tayler - Public Domain
Hornung, E.W. (Ernest William), 1866-1921
Image from Wikimedia Commons
Johnston, David Claypoole, 1799-1865
Image from Wikimedia Commons
Thomas R Machnitzki (thomas@machnitzki.com) - CC BY 3.0
Estes, Sleepy John, 1899-1977
Image from Wikimedia Commons
Keating, Kenneth B. (Kenneth Barnard), 1900-1975
Image from Wikimedia Commons
Public Domain
Hansbrough, Henry Clay, 1848-1933
Image from Wikimedia Commons
Salomon, Siegfried