[General Enrique Líster and Ernest Hemingway, Mora de Ebro, Spain]

[Republican soldiers in front of a bunker, Battle of Brunete, Spain]

[Row of Basque militia men lying in bed, Bilbao, Spain]

[Soldiers and civilians on the Puerta del Sol, Madrid, Spain]

[Troops, lying on the ground, wearing gas masks, Barcelona, Spain]

[Loyalist pilots eating, drinking and resting near their airplane, Spain]

[International Congress of Writers' excursion to the Guadalajara front, Spain]

[Recruitment and training of the new People's Army, Valencia, Spain]