Railton, Arthur and Rudi Maletz - “Der Käfer: der ungewöhnliche Weg eines ungewöhnlichen Automobils”Project reference.
Rausch, Helke - US-amerikanische “Scientific Philanthropy” in Frankreich, Deutschland und Großbritannien zwischen den WeltkriegenProject reference.
Reich Withdraws from World’s Fair: Envoy Says Decision is Based on Financial Burden – Helium Reprisal Hinted in BerlinProject reference.
Riboldazzi, Renzo - Un'altra modernità. L'IFHTP e la cultura urbanistica tra le due guerre, 1923-1939Project reference.
Rodes, Toby E. - “Einmal Amerika und zurück: Erinnerungen eines amerikanischen Europäers”Project reference.
Rotival, Maurice Emile HenriUrban planner and founding member of the faculty for city planning at Yale University
Rutkoff, Peter M., and William B. Scott - New School: A History of the New School for Social ResearchProject reference.
