[Soldier saluting during farewell ceremony for the International Brigades, Les Masies, Spain]

[American volunteers at the farewell ceremony for the International Brigades, Les Masies, Spain]

[Spectators at farewell parade for the International Brigades, Barcelona, Spain]

[Men and women preparing for farewell ceremony for the International Brigades, Les Masies, Spain]

[Republican soldiers preparing for battle, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldiers running, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers running, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers preparing for battle, Rio Segre, Aragon front, near Fraga, Spain]