[Republican soldiers walking amongst remains of City Hall, Teruel, Aragón Front, Spain]

[Republican soldiers standing amongst the remains of city hall, Teruel, Aragón Front, Spain]

[Soldiers walking on snow-covered road carrying shovels, Teruel, Aragón front, Spain]

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

[Loyalist Generals talking at lunch table, Farewell of the International Brigade, near Falset, Spain]

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

[Soldiers drink with a young woman, farewell ceremony for the International Brigades, near Falset , Spain]

[Soldiers drink with a young woman, farewell ceremony for the International Brigades, near Falset, Spain]

[Republican soldiers standing next to a stack of newspapers, Rio Segre, Aragón Front, Spain]

[Republican soldiers standing next to a stack of newspapers, Rio Segre, Aragón Front, Spain

[Prime Minister Juan Negrin at the farewell ceremony for the International Brigade, Les Masies, Spain]

[Republican soldiers carrying wounded soldier on a stretcher, Rio Segre, Aragon front, Spain]

[General Juan Modesto speaking at a farewell ceremony for the International Brigades, Les Masies, Spain]

[Prime Minister Juan Negrin at the farewell ceremony for the International Brigades, Les Masies, Spain]

[Soldiers at farewell ceremony for the International Brigades listening to Juan Modesto, Les Masies, Spain]

[Juan Negrin giving speech at farewell ceremony for the International Brigades, Les Masies, Spain]

[Bridge damaged by Nationalist bombings, Rio Segre, Aragon front, near Fraga, Spain]

[Bridge damaged by Nationalist bombings, Rio Segre, Aragon front, near Fraga, Spain]

[Bridge destroyed by flooding of Republican rebels, Ebro River, Mora de Ebro, Spain]

[Girls looking at plaques in the street during the farewell parade for the International Brigades, Barcelona, Spain]

[Foreign soldiers with arms full of bouquets, farewell parade for the International Brigades, Barcelona, Spain]

[Spanish women and soldiers watch farewell parade for the International Brigades, near Falset, Spain]

[Spanish children perched on a lamppost during the farewell parade for the International Brigades, Barcelona, Spain]

[Girl handing bouquet to volunteer during farewell parade for the International Brigades, Barcelona, Spain]