[Republican soldiers bearing a flag, Aragón front, Spain]

[Three men and a woman gazing at the sky, Barcelona, Spain]

[Loyalist militamen defending a bridge, near Barcelona, Spain]

[Pilots take their meals right next a planes, Spain]

[Republicans on balcony rejoicing with flag and poster, Teruel, Spain]

[Soldier looks into the barrel of a large gun, Minorca, Spain]

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

[Republican militiaman with a group of boys, Aragón front, Spain]