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

[Portrait of Jose Antonio Aguirre, president of the newly autonomous Basque government, Bilbao]

[Republican soldier in the woods during the battle of Mount Sollube, Bilbao front, Spain]

[Republican soldier with body on a stretcher during the battle of Mount Solluve, Bilbao front, Spain]

[Man fighting a fire ignited in a gasoline depot by a Nationalist air raid, Bilbao, Spain]