[Republican militiamen behind a barricade, near Huesca, Aragón front, Spain]

[Republican militiaman outside the local general headquarters, Aragón front, Spain]

[Collective farmers who supported the Republican cause, Aragon, Spain]

[Republican soldiers, Aragón front, Spain]

[Loyalist militiamen jumping over a gully, Córdoba front, Spain]

[Republican soldier, Madrid]

[Members of the International Brigades, Madrid]

[Three Republican soldiers, Madrid]