[Refugee on the road fleeing a Nationalist air raid, near Cerro Muriano, Spain]

[Member of the International Brigades, Madrid]

[Republican soldier rolling cigarette, Madrid]

[Members of the International Brigades defending a building in the University City, Madrid]

[Republian soldier crouching by table, Madrid]

[U.S. military observer Evans Fordyce Carlson lighting a pipe, China]

[Interior of building destroyed by Nationalist air raids, Madrid]

[Older woman and child on the platform of a subway station in the aftermath of Nationalist air raids, Madrid]