Image from Wikimedia Commons
HABS, attributed to Gilbert Stuart - Public Domain
US Government Printing Office - Public Domain
unknown - Public Domain
Public Domain
User at project link - Public Domain
photo Institut Pasteur - Photothèque - Public Domain
watchwithkristin - CC BY-SA 2.0
C.M. Stieglitz, World Telegram staff photographer - Public Domain
produced by Woodbury Company (maybe this one [http://www.wpi.edu/Academics/Library/Archives/Woodbury/]?), published by Allan Octavian Hume (1829 - 1912) - Public Domain
JohnInDC - CC BY-SA 3.0
(…) Punt / Anefo -
David G. Roskies - CC BY-SA 3.0
Bain Collection - Public Domain
Underwood & Underwood - Public Domain
Bain - Public Domain
Unknown photographer (not specified in book) -
Image from Wikimedia Commons
HABS, attributed to Gilbert Stuart - Public Domain
Burd, James, 1726-1793
Image from Wikimedia Commons
Ohnesorge, Wilhelm, 1872-1962
Image from Wikimedia Commons
US Government Printing Office - Public Domain
Sarpalius, Bill, 1948-
Image from Wikimedia Commons
unknown - Public Domain
Woodward, Arthur Smith, 1864-1944
Image from Wikimedia Commons
De Geer, Charles, friherre, 1720-1778
Image from Wikimedia Commons
Public Domain
Mulford, David C.
Image from Wikimedia Commons
User at project link - Public Domain
Chauviré, Yvette 1917-
Image from Wikimedia Commons
Barefield, Eddie, 1909-1991
Image from Wikimedia Commons
photo Institut Pasteur - Photothèque - Public Domain
Roubaud, Èmile (1882-1962).
Image from Wikimedia Commons
watchwithkristin - CC BY-SA 2.0
Kring, Tim, 1957-....
Image from Wikimedia Commons
C.M. Stieglitz, World Telegram staff photographer - Public Domain
Moses, Robert, 1888-1981
Image from Wikimedia Commons
Broch, Hermann, 1886-1951
Image from Wikimedia Commons
produced by Woodbury Company (maybe this one [http://www.wpi.edu/Academics/Library/Archives/Woodbury/]?), published by Allan Octavian Hume (1829 - 1912) - Public Domain
Blanford, William Thomas, 1832-1905
Image from Wikimedia Commons
unknown - Public Domain
Tarr, Ralph S. (Ralph Stockman), 1864-1912
Image from Wikimedia Commons
unknown - Public Domain
Mason, Charles, 1810-1879
Image from Wikimedia Commons
JohnInDC - CC BY-SA 3.0
Dorsey, John M. (John Morris), 1900-1978
Image from Wikimedia Commons
Smith, Joseph
Image from Wikimedia Commons
(…) Punt / Anefo -
Kerr, Anita
Image from Wikimedia Commons
David G. Roskies - CC BY-SA 3.0
Roskies, David G., 1948-....
Image from Wikimedia Commons
Muravʹev, Mikhail Nikolaevich, 1796-1866
Image from Wikimedia Commons
unknown - Public Domain
Mouchon, Louis-Eugène
Image from Wikimedia Commons
Bain Collection - Public Domain
Namara, Marguerite, 1888-1974
Image from Wikimedia Commons
Grady, Henry Francis, 1882-1957
Image from Wikimedia Commons
Underwood & Underwood - Public Domain
Hillquit, Morris, 1869-1933
Image from Wikimedia Commons
Aulin, Tor
Image from Wikimedia Commons
Bain - Public Domain
Fish, Frederick P. (Frederick Perry), 1855-1930
Image from Wikimedia Commons
Champagny, Franz, comte de, 1804-1882
Image from Wikimedia Commons
Unknown photographer (not specified in book) -
Schiøtz, Hjalmar, 1850-1927
Image from Wikimedia Commons
Rodríguez, Manuel, 1785-1818
Image from Wikimedia Commons
Murray, David, 1955-....