[Men on a brick bridge wall below an armored train, Spain]

[Volunteers of the International Brigade marching through the streets of Barcelona, Spain]

[Republican soldiers standing in stairwell, Teruel, Aragón Front, Spain]

[Soldiers surrounding a bombed building, Teruel, Aragón Front, Spain]

[Refugees standing by the road from Barcelona at the French border, Spain]

[Crowd at land reform meeting, near Badajoz, Estremadura, Spain]

[Group of people waiting to evacuate after a bombing, Bilbao, Spain]

[Loyalist pilots eating, drinking and resting near their airplane, Spain]