[Volunteer members of International Brigade sitting in a large barrel against a tree, a gun outside, Spain]

[Refugees in train windows, police officer in foreground, Spain-France border, near Cerbère, France]

[Republican Basque soldiers talking with monk at the cloister sheltering them, Amorebieta, Basque region, Spain]

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

[Inside one of the many fortresses intended to defend Minorca against any attack, Minorca, Spain]

[Marching soldiers, including Robert Jordan, in farewell ceremony for the International Brigades, near Falset, Spain]

[Republican soldiers preparing telephone wires, Rio Segre, Aragón front, near Fraga, Spain]

[Volunteer members of International Brigade sitting in a large barrel against a tree, a gun outside, Spain]