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

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

[Three Republican soldiers, Madrid]

[Portrait of a young militiaman, Madrid]

[Republican militiawomen training on the beach, Barcelona, Spain]

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

[People on balconies above barricade, Madrid]

[Smoke in the air after a bombing, Bilbao, Spain]