Title: The clandestine radio operators
Subjects: World War, 1939-1945, Military intelligence, Pictorial works, Radio operators, Wireless Telegraph, Equipment and supplies, Underground movements, Communications, Radio, Receivers and reception, Transmitter-receivers, Training of, Great Britain. Special Operations Executive, France combattante. Bureau central de renseignements et d'action, United States. Office of Strategic Services, World war, 1939-1945, aerial operations
Places: France, Great Britain