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

[Republican soldier helping wounded comrade to safety, University City, Madrid]

[Republican soldier stepping through a hole in a wall, University City, Madrid]

[Two Republican soldiers sitting and talking in the street near University City, Madrid

[Two Republican soldiers sitting and talking in the street near University City, Madrid

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

[Republican soldiers aiming machine guns through peepholes, University City, Madrid]

[Republican soldiers aiming machine guns through peepholes, University City, Madrid]