[Republican soldiers aiming rifles over a barricade, Aragón front, Spain]

[Loyalist militiaman running with rifle, near Espejo, Córdoba front, Spain]

[Battle explosion, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldier killed while stringing telephone lines, Teruel, Spain]

[Republican soldiers, Rio Segre, Aragón front, near Fraga, Spain]

[Crowd of soldiers at farewell ceremony for the International Brigades, Les Masies, Spain]

[Militiawomen guarding a barricade near the Plaza de Zocodover, Toledo, Spain]

[Republican militiamen behind a barricade, near Huesca, Aragón front, Spain]