[Group of four people standing outside a bombed building, Aragon, Spain]

[Republican soldier sleeping on the ground after a three day battle, Cordoba front, Spain]

Four children fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

[Soldier of the Partido Obrero de Unificación Marxista (POUM) with partridge, Aragón, Spain]

[Young boy crying in the arms of Republican soldiers on a departing train, Barcelona, Spain]

[Young boy crying in the arms of Republican soldiers on a departing train, Barcelona, Spain]

[Two Republican soldiers sitting on side of car, reading papers, Aragon, Spain]

[Soldier of the Partido Obrero de Unificación Marxista (P.O.U.M.) with dove, Aragón, Spain]

[Woman holding a child fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

[Woman washing laundry next to three Republican soldiers, Aragon, Spain]

[Republican soldiers lying down and crouching on the ground, Santa Eulalia, Aragón front, Spain]

[Republican troop train departing for the front, Barcelona, Spain]

[Two young boys sleeping next to their guns, Huesca, Aragon, Spain]

[Man wearing an open striped shirt and head wrap, Huesca, Aragon, Spain]

[Republican soldiers sleeping on the ground after a three day battle, Cordoba front, Spain]

[Republican soldier sleeping on the ground after a three day battle, Cordoba front, Spain]

[Old woman dressed in black reading newspaper in a rocking chair next to a young woman dressed as a Flamenco dancer, Seville, Spain]

[Man on foot leads refugees on donkeys fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

[Woman, young man, and little girl fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

[Two Republican soldiers helping a wounded comrade to safety, Rio Segre, near Fraga, Aragon front, Spain]

[Manuel Grossi Mier of the POUM speaking from a balcony, Aragon, Spain]

[Manuel Grossi Mier of the POUM speaking from a balcony, Aragon, Spain]

[Woman, boy, and girl fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]

[Woman, boy, and girl fleeing Nationalist bombings, near Cerro Muriano, Córdoba front, Spain]