[Demonstrators at the windows of Hotel de France, Paris]

[Child holding a banner during the May 1st parade, Place de la Nation, Paris]

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

[Machine gunners hiding behind stones, Rio Segre, Aragón front, near Fraga, Spain]

[Battle explosion, Rio Segre, Aragón front, near Fraga, Spain]

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

[Republican soldier tending to a wounded soldier, Rio Segre, Aragón front, near Fraga, Spain]

[Crowd watching an air battle over the city, Barcelona]