[Cannon firing and soldiers with guns on a hill, Irun, Spain]

[Final review of the International Brigades, near Falset, Spain]

[International Congress of Writers' excursion to the Guadalajara front, Spain]

[Soldiers saluting and standing in rows with guns, Bilbao, Spain]

[A smiling monk, Amorbieta, Basque country, Spain]

[Loyalist officers entering a government building, Bilbao, Spain]

[Republican soldiers, La Granjuela, Córdoba front, Spain]

[Agricultural workers with threshing nachine, Aragón front, Spain]