[Man reading under anti-fascist banner in Catalan language, Barcelona, Spain]

[Army soldiers walking through a filed with donkeys loaded with gear, Minorca, Spain]

[Men with wounded Republican soldier on a stretcher, Navacerrada Pass, Segovia front, Spain]

[Candle and bell on a chair before the outdoor mass, Berriatua, Basque Country, Spain]

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

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

[Republican soldier with rifle, Rio Segre, Aragón front, near Fraga, Spain]

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

[Two old refugees on a train window at Spain-France border, Cerbere, France]

[Soldier sitting on a stool, surrounded by fishermen who are reparing their nets, Minorca, Spain]

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

Women and soldiers dancing at a farewell ceremony for International Brigade, near Barcelona, Spain

[Soldier running forward, Rio Segre, Aragón front, near Fraga, Spain]

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

[Men with wounded Republican soldier on a stretcher, Navacerrada Pass, Segovia front, Spain]

[Two men in hospital beds, with nurse gives one a drink, Minorca, Spain]

[Men and priest talking, Cenarruza-Puebla de Bolivar, Basque Region, Spain]

[Republican soldiers in a ditch, Río Segre, Aragón front, near Fraga, Spain]

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

[Republican soldiers on hillside, Río 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]

[Children amid rubble of bombed buildings, La Granjuela, Córdoba front, Spain]

[Crowd of people, house in back, French Internment Camp, Le Barcarès, Spain]