[Republican militiaman aiming rifle in bunker, Aragón front, Spain]

Arch, Palmyra, Asia Minor

[Republican soldiers aiming rifles over a barricade, near Huesca, Aragón front, Spain]

[Republican militiaman drinking from a glass flask, Aragón front, Spain]

[Men of the semi-Trotskyist POUM (Partido Obrero de Unificación Marxista) militia, Leciñena, Aragón front, Spain]

[Republican soldiers, Málaga front, Spain]

[Officer speaking to a group of Republican soldiers before an attack, Córdoba front, Spain]

[Loyalist militiamen landing across a gully, Córdoba front, Spain]