[Members of the International Brigades and the other Spanish Republican forces, Madrid]

[Group of Republican soldiers at rest, Madrid]

[Soldiers writing behind the Republican lines, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldier and woman during the battle of Mount Solluve, Bilbao front, Spain]

[Crowds running for shelter when the air-raid alarm sounded, Bilbao, Spain]

[Women running for shelter when the air-raid alarm sounded, Bilbao, Spain]

[Children huddled on sidewalk, Bilbao, Spain]

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