[Republican soldier looking through peephole, University City, Madrid]

[Republican soldiers playing chess in the trenches, University City, Madrid]

[Wounded Republican soldiers carried by comrades, University City, Madrid]

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

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

[Wounded Republican soldier walking with the help of a comrade, University City, Madrid]

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

[Republican soldiers playing chess in the trenches, University City, Madrid]

[Republican soldier playing guitar, another reading the paper, University City, Madrid]

[Woman and man at the Cuatro Caminos subway station near University City, Madrid]

[Two people sitting in rubble of the auditorium in the Medical School, University City, Madrid]

[Republican soldier playing guitar, another reading the paper, University City, Madrid]

[Republican soldiers behind barricade made of sandbags and luggage, University City, Madrid]

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

[Republican soldier firing gun from desk, University City, Madrid]

[Wounded Republican soldiers being carried by fellow comrades, University City, Madrid]

[Republican soldier sitting next to an empty bath tub, near University City, Madrid]

[Republican soldiers behind barricades made of luggage, University City, Madrid]

[Republican soldiers firing machine gun out the window, University City, Madrid]

[Republican soldier firing gun through peephole, University City, Madrid]

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

[Republican soldier in a room, aiming his rifle through a hole in the wall, University City, Madrid]