[Woman amid ruins after a Japanese air raid, Hankou, China]

[Young girl at refugee transit center, Barcelona]

[American troops landing on Omaha Beach, D-Day, Normandy, France]

[Contact sheet of images of Leon Trotsky lecturing Danish students on the history of the Russian Revolution, Copenhagen]

[Explosion in the distance during battle, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers working on a wooden bridge destroyed by the Fascists, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldiers listening to their commander give a speech, Rio Segre, Aragon Front, near Fraga, Spain]

[Republican soldiers in crevices, Rio Segre, Aragon Front, near Fraga, Spain]