[Republican soldiers walking through hills, Teruel, Aragon front, Spain]

[Republican soldier walking through debris, Teruel, Aragón Front, Spain]

[Soldiers in the trenches, Rio Segre, Aragón front, near Fraga, Spain]

[Miner at work wearing a fabric over his face, Almaden, Spain]

[Man holding his hands over a bowl of mercury, Almadén, Spain

[Republican soldier sleeping on the ground after battle, Cordoba front, Spain]

[Republican soldier acting as look out, Teruel, Aragón Front, Spain]

[Republican soldier standing amongst debris, Teruel, Aragón Front, Spain]