[Loyalist officer standing on a barrel giving a pep talk to loyalist soldiers, Andalusian front, Spain]

[Wounded Loyalist soldiers walking, Madrid]

[Crowd of Republican soldiers listening to a speech, Córdoba front, Spain]

[Republican soldiers camping in a physics laboratory, University City, Madrid]

[Old couple sitting on a bench wearing a "May 1937" sticker on their clothes]

[Soldiers in training, Tai'erzhuang, Xuzhou front, China]

[Soldier sitting on cart, Tai'erzhuang, Xuzhou front, China]

[Man sitting with stick, Tai'erzhuang, Xuzhou front, China]

[People fleeing, near Tai'erzhuang, Xuzhou front, China]

[Peasant and donkey seeking refuge in deep ravines by the battlefield, China]

[Two women and a child seated next to cart, near Tai'erzhuang, Xuzhou front, China]

[Man in hole, near Tai'erzhuang, Xuzhou front, China]

[Soldiers on the bank of the flooded Yellow River, near Zhengzhou, China]

[Refugees from Málaga in Almería, Spain]

[Gunners on board Battleship Jaime I, Almería, Spain]

[Gunners onboard the Battleship Jaime I, Almería, Spain]

[Gunners onboard the Battleship Jaime I, Almería, Spain]

[Gun barrel, Battleship Jaime I, Almería, Spain]

[Flood victims, near Zhengzhou, China]

[Refugees standing next to rolled up bedding, Madrid]

[Refugees walking on the road from Barcelona at the French border, Spain]

[Men build frames for barracks at a concentration camp for Spanish refugees, Le Barcarès, France]

[Former members of the Barcelona Philharmonic at a concentration camp for Spanish refugees, Bram, France]

[Man stirring a cauldron at a concentration camp for Spanish refugees, Le Barcarès, France]