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

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

[Two Republican soldiers embracing, 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]

[Refugee on the road fleeing a Nationalist air raid, near Cerro Muriano, Spain]

[Member of the International Brigades, Madrid]

[Republican soldier rolling cigarette, Madrid]