[Explosion in the distance during battle, Rio Segre, Aragón Front, near Fraga, Spain]

[Republican soldiers aiming rifles over a barricade, near Huesca, Aragón front, Spain]

[Republican soldier killed while stringing telephone lines, Teruel, Aragón front, Spain]

[Marineros looking over a ledge, Río Segre, Aragón front, near Fraga, Spain]

[Republican soldiers sittiing in trenches, Río Segre, Aragón front, near Fraga, Spain]

[Republican soldiers storming forward, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldiers tending to the wounded, Rio Segre, Aragón front, near Fraga, Spain]

[Republican soldier with body on a stretcher during the battle of Mount Solluve, Bilbao front, Spain]