[Republican militiaman with gun behind barricade, near Huesca, Aragón front, Spain]

[Republican militiaman, near Huesca, Aragón front, Spain]

[Republican soldiers crouching on the ground, Santa Eulalia, Aragón front, Spain]

[Three Loyalist militiamen in a gully aiming rifles, Córdoba front, Spain]

[Member of the International Brigades, Madrid]

[Interior of building destroyed by Nationalist air raids, Madrid]

[Older woman and child on the platform of a subway station in the aftermath of Nationalist air raids, Madrid]

[Republican soldier defying tradition by helping women do laundry for the troops, Madrid]