Colonel Julio Mangada, one of the defenders of Madrid, talking with Hans Namuth

[Republican soldier firing riffle from desk, University City, Madrid]

[Republican soldier firing gun from desk, University City, Madrid]

[Member of the International Brigades behind a barricade, in or around University City, Madrid]

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

[Casa de las Flores in ruins after an air raid, Madrid]

[Man in front of a sign saying "succumb or expire but wil be defeated," Madrid]

[Republican soldier stepping through a hole in a wall, University City, Madrid]

[Republican soldiers aiming rifles through window, University City, Madrid]

[Soldier standing on wall in river next to French Bridge, Madrid front]

Subway station used as a bomb shelter during fascist attack, Madrid

[Women assembling cartridge belts for Republican soldiers in munitions factory, Madrid]

Woman Photographer Crushed by Loyalist Tank

[Republican soldier shinging floors inside the Duke of Alba's palace, Madrid, Spain]

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

[Republican soldier guarding the doorway of the Monasterio de las Descalzas Reales, Madrid]

[Republican soldiers aiming machine guns through peepholes, University City, Madrid]

[Members of the International Brigades with guns behind a barricade, in or around University City, Madrid]

[Woman standing amid rubble of buildings destroyed by Nationalist air raids, Madrid]

[People living on the platforms of subway stations in the aftermath of Nationalist air raids, Madrid]

[Republican soldier playing guitar, another reading the paper, University City, Madrid]

[Republican soldiers firing machine gun out the window, University City, Madrid]

[Woman and man at the Cuatro Caminos subway station near University City, Madrid]

[Republican soldier defying tradition by helping women do laundry for the troops, Madrid]