[Soldiers marching along the Grand Canal, Tai'erzhuang, Xuzhou front, China]

[The battalion's political commissar and commander, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers in crevices, Rio Segre, Aragón front, near Fraga, Spain]

[Republican machine gunners hitting the retreating army, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldier carrying a wounded soldier, Rio Segre, Aragón front, near Fraga, Spain]

[Man, with women and baby, preparing for mobilization as General Franco's troops approached the city, Barcelona]

[Young girl at refugee transit center, Barcelona]

[Refugee family on a cart on the road from Tarragona to Barcelona]