[Men on a brick bridge wall below an armored train, Spain]

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

[Group of people waiting to evacuate after a bombing, Bilbao, Spain]

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

[Republican soldiers with artillery, Monte Aragón, east of Huesca, Spain]

[Battle of Rio Segre, Mora de Ebro, Aragón front, Spain]

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

[Attack and Chapaiev Battalion headquarters, near Peñarroya, Córdoba front, Spain]