[Republican soldiers amid ruined buildings, La Granjuela, Cordoba front, Spain]

[Soldiers preparing for battle, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers on hillside, Río Segre, Aragón front, near Fraga, Spain]

[Officer speaking to a group of Republican soldiers before an attack, Córdoba front, Spain]

[Republican soldier and woman during the battle of Mount Solluve, Bilbao front, Spain]

[Crowds running for shelter when the air-raid alarm sounded, Bilbao, Spain]

[Women running for shelter when the air-raid alarm sounded, Bilbao, Spain]

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

[Woman nursing a baby at a land reform meeting, near Badajoz, Extremadura, Spain]

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

[Stacks of Spanish Loyalist newspapers and papers, on a desk, telephone in the background, Minorca, Spain]

[Man writing on a desk full of magazines and newspapers, portraits hang in the background, Spain]

Loyalist pilots from a Republican airbase resting near their Moscas plane. Spain

[Loyalist militiamen holding up rifles, near Espejo, Córdoba front, Spain]

[Two Republican soldiers with a soldier on a stretcher, Navacerrada Pass, Segovia front, Spain]

[Agricultural workers throwing grain into the air to be cleansed by the wind, Aragón front, Spain]

[Loyalist soldier listening to an officer give a pep talk, Andalusian front, Spain]

[Members of the Republican army using a Vikers machine gun fabricated in England, Spain]

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

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

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

[Republican soldiers on hillside, Río Segre, Aragón front, near Fraga, Spain]

[Republican soldiers outside a ruined building, La Granjuela, Córdoba front, Spain]

[Spanish President, Manuel Azaña and other audience members applauding, Barcelona, Spain]