[Republican militiaman saying farewell before the departure of a troop train, Barcelona, Spain]

[Refugees on the road, woman holding a baby, Cerro Muriano, Cordoba front, Spain]

[Republican soldiers saluting through the windows of their departing train, Barcelona, Spain]

[Loyalist soldiers assisting peasants with wheat farming, Aragon front, Spain]

[Republican soldiers saluting through the windows of their departing train, Barcelona, Spain]

[Militiamen defending a bridge, near Barcelona, Spain]

[Republican militiaman protecting religious objects in a church, Barcelona, Spain]

[Three soldiers in trenches aiming their guns, Huesca, Aragon, Spain]

[Man playing the flute and holding a drum during outdoor mass, Berriatua, Basque Country, Spain]

[Loyalist soldier feeding a baby lamb on a farm, Aragon front, Spain]

[Children on windowsill of troop train departing for the Aragon front, Barcelona, Spain]

[Republican soldiers walking down hill, Santa Eulalia, Aragón front, Spain]

Photo-History 1: War in Spain

Photo-History 1: War in Spain

[Soldier wearing straw hat smoking a cigarette, Huesca, Aragon, Spain]

[Festivities before troop train departs for the Aragon front, Barcelona, Spain]

[Festivities before troop train departs for the Aragon front, Barcelona, Spain]

[Woman and child running through streets to bomb shelter, Bilbao, Spain]

[Four militiamen aiming their rifles on a hill, Santa Eulalia, Aragon Front, Spain]

[Solider sitting on curb, holding gun, eating, Aragon, Spain]

[Men, women, and children fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

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

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

[Nationalist propaganda poster, Teruel, Spain]