[Republican soldiers during the battle for this strategically located hilltop town, Teruel, Aragón front, Spain]

[Republican soldiers on a staircase during the battle for this strategically located hilltop town, Teruel, Aragón front, Spain]

[Farewell ceremony for the International Brigades, Les Masies, Spain]

[Farewell ceremony for the International Brigades, Les Masies, Spain]

[Parade at the farewell ceremony for the International Brigades, near Falset, Spain]

[Major Milton Wolff, commander of the American Abraham Lincoln Brigade, near Falset, Spain]

[Telephone call to army command, Rio Segre, Aragón front, near Fraga, Spain]

[Marineros bringing in the wounded, Rio Segre, Aragón front, near Fraga, Spain]