[Republican soldiers walking through debris after bombings, Teruel, Spain]

[Soldier saluting at farewell ceremony for the International Brigades, Les Masies, Spain]

[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]

[Republican fiighter with a gun on his back, holding and kissing a boy, Spain]

International volunteers who fought for the Republic of Spain against General Franco

[Republican soldier outside bombed building, Teruel, Aragón front, Spain]