[Festivities before troop train departs for the Aragon front, Barcelona, Spain]

[Four militiamen aiming their rifles on a hill, Santa Eulalia, Aragon Front, Spain]

[Republican soldier carrying wounded comrade on his back, Rio Segre, Aragón front, near Fraga, Spain]

[Republican militiaman and militiawoman embracing before the departure of a troop train for the Aragón front, Barcelona]

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

[Tank in front of building, Teruel, Aragon front, Spain]

[Refugees leaving, Teruel, Aragón front]

[Republican soldiers eating breakfast on the front, Teruel, Aragón front]