[Two Republican soldiers eating in a laboratory, University City, Madrid]

[Republican soldiers firing machine guns, University City, Madrid]

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

[Republican officer and Gerda Taro (right), University City, Madrid]

[Member of the International Brigades behind a barricade, in or around University City, Madrid]

[Republican soldiers aiming rifles through window, University City, Madrid]

[Republican soldier aiming rifle through a wall, University City, Madrid]

[Republican soldier aiming rifle through peephole, University City, Madrid]