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

[Republican soldier amid rubble during the battle for this strategically located hilltop town, Teruel, Aragón front, Spain]

[Republican soldiers helping injured comrade through the mountainside, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldier carrying wounded comrade on his back, Rio Segre, Aragón front, near Fraga, Spain]

[Soldiers with donkeys transporting munitions over a wooden bridge, Río Segre, Aragón front, near Fraga, Spain]

[Soldier hiding behind stone wall during the battle, Rio Segre, Aragón front, near Fraga, Spain]

[Officer talking on a telephone at a field headquarters during the Republican offensive along the Rio Segre, Aragón front, Spain]

[Soldiers with donkeys transporting munitions over a wooden bridge, Río Segre, Aragón front, near Fraga, Spain]