[Students of the french military air school eating in mess hall, Salon-de-Provence Air Base, France]

[Students and teacher of the french military air school in integeral calculus class, Salon-de-Provence Air Base, France]

[Instructor shows students the parts of a plane engine, at the French military air school in Salon-de-Provence Air Base, France]

[French military air school, planes on the airfield taken from above, Salon-de-Provence Air Base, France]

[French military air school, students sitting in plane cockpit, Salon-de-Provence, France]

[French military air school, students sitting in plane cockpit, Salon-de-Provence, France]

[Two Republican soldiers in a lab, University City, Madrid]

[Republican soldiers aiming rifles through a window, University City, Madrid]