[Loyalist soldier standing in hole in the wall, Madrid]

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

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

[Group of Loyalist soldiers of the International Brigade, Madrid]

[Republican soldiers in bunkers, University City, Madrid]

[Three Republican soldiers, Madrid]

[Portrait of a young militiaman, Madrid]

[Loyalist soldier entering the barracks, University City, Madrid]