[Republican soldier, Madrid]

[Members of the International Brigades, Madrid]

[Three Republican soldiers, Madrid]

[Members of the International Brigades with gun, looking out a window, in or around University City, Madrid]

[Men of the International Brigades engaged in house-to-house fighting around the slaughterhouses near the University City, Madrid]

[Republican soldiers behind barricade made of sandbags and luggage, University City, Madrid]

[Republican soldier helping wounded comrade to safety, University City, Madrid]

[Crowds watching an air raid, Madrid]

[Pile of furniture in the street, Madrid]

[Group of women and children standing next to rubble, Madrid]

[Two women standing in street strewn with rubble, Madrid]

[Refugees from the Nationalist air raids preparing to leave the city, Madrid]

[Soldier of the International Brigade and woman pumping water together, Madrid]

[Republican soldier in bunker, Madrid]

[Soldier lying on the ground behind Republican lines, Madrid]

[Refugees from Málaga, Murcia, Spain]

[Refugee from Málaga leaning on pole, Murcia, Spain]

[Republican soldiers crouching behind a car during the battle of Mount Solluve, Bilbao front, Spain]

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

[Civilians running in the street during air raid siren, Bilbao, Spain]

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

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

[Republican soldiers inside the Governor's Palace, the last major bastion of Nationalist resistance in this stategically located hilltop town, Teruel, Aragón front, Spain]

[Man carrying a wounded boy, Teruel, Aragón front, Spain]