[Battle of Rio Segre, near Fraga, Aragón front, Spain]

[Republican militiamen firing over a barricade, near Barcelona, Spain]

[Women workers at the Duro-Felguera mines, Langreo, Asturias, Spain]

[End of gun barrel, Battleship Jaime I, Almería, Spain]

[Women working, sitting at a table with piles of cloth, Barcelona, Spain]

[Man and woman working between two plane engines, Spain]

[Soldier wearing military uniform holding gun, Minorca, Spain]

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