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

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

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

[Farewell ceremony for the International Brigades, Les Masies, Spain]

[Sailors opening tins with knives, Battleship Jaime I, Almería, Spain]

[Workers in row making cannons in a munitions factory, Spain]

[Tank and other military vehicles, Battle of Brunete, Spain]

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