[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]

[Republican soldier killed while stringing telephone lines, Teruel, Aragón front, Spain]

The Ohio Project (7)

[Dead soldiers, Teruel, Aragón front, Spain]

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

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

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

[Republican soldiers climbing up remains of bridge bombed by Nationalist rebels in an attempt to trap the Republicans, Rio Segre, Aragón front, near Fraga, Spain]

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

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

[Machine gunners hiding behind stones, Rio Segre, Aragón front, near Fraga, Spain]

[Battle explosion, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers tending to the wounded, Rio Segre, Aragón front, near Fraga, Spain]

Wall of Temple of Bel, south side, Palmyra, Asia Minor

[Republican soldier tending to a wounded soldier, Rio Segre, Aragón front, near Fraga, Spain]

[Crowd watching an air battle over the city, Barcelona]

[Children with a downed Nationalist plane on display in a city park, Barcelona]

[Woman and child evacuating the city, which was being bombed by Nationalist planes, Barcelona]

[Woman and child at the refugee transit center, Barcelona]