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

[Republican soldiers taking notes in a ditch, Rio Segre, Aragón Front, near Fraga, Spain]

[First Nationalist air bombs of the day, Río Segre, Aragón front, near Fraga, Spain]

[Republican soldier taking notes next to a wounded comrade, Rio Segre, Aragón Front, Spain]

[Republican soldiers working on damaged bridge, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldier with rifle on destroyed bridge, Rio Segre, Aragon front, near Fraga, Spain]

[Republican soldiers walking down road, Rio Segre, Aragon front, near Fraga, Spain]

[Soldiers walking on a hill, preparing for attack, Rio Segre, Aragón Front, near Fraga, Spain]

[The battalion's political commissar and commander, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers sitting against a wall, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers sitting against a wall, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers sitting against wall, Rio Segre, Aragón Front, near Fraga, Spain]

[Discussion and telephone call to army command, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers taking notes in a ditch, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers and a mule transporting munitions, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers crouching in grass with rifles, Rio Segre, Aragon front, near Fraga, Spain]

[Two Republican soldiers carrying a stretcher, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers running up a hill, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers preparing telephone wires, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldier taking notes next to a wounded comrade, Rio Segre, Aragón Front, Spain]

[Republican soldiers and a mule transporting munitions, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldier walking up a hill, Rio Segre, Aragon Front, near Fraga, Spain]

[Republican soldier carrying a wounded comrade, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldier carrying a wounded comrade, Rio Segre, Aragón Front, near Fraga, Spain]