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

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

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

[Republican soldier aiming rifle through a wall, University City, Madrid]

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

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

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

[Republican soldier aiming rifle through peephole, University City, Madrid]