Roberts, Henry L. “The Diplomacy of Colonel Beck.” In The Diplomats, 1919–1939, edited by Gordon A. Craig and Felix Gilbert. Princeton, NJ: Princeton University, 1953, 578–614.
Robertson, Esmonde M. “Hitler and Sanctions: Mussolini and the Rhineland,” European Studies Review, 7/2 (1977): 409–35.
———. Mussolini as Empire Builder: Europe and Africa 1932–1936. London: Macmillan, 1977.
Robertson, Jake A. “Captive Audiences.” Senior thesis. Princeton University, 2015.
Robinson, Robert, with Jonathan Slavin. Black on Red: My 44 Years Inside the Soviet Union. Washington, D.C.: Acropolis Books, 1988.
Rodchenko, Aleksandr. “Amerikanskie fotograiia Il’ia Il’fa,” Sovetskoe foto, 1936, no. 8: 26–7.
Rodos, Valerii. Ia syn palacha: vospominaniia. Moscow: OGI, 2008.
Roeder, Philip G. Red Sunset: The Failure of Soviet Politics. Princeton, NJ: Princeton University, 1993.
Roewer, Helmut. Die Rote Kapelle und andere Geheimdienst Mythen: Spionage zwischen Deutschland und Russland im Zweiten Weltkrieg 1941–1945. Graz: Ares, 2010.
Rogachevskaia, Liudmila S. Iz istorii rabochego klassa SSSR v pervye gody industrializatsii, 1926–1927. Moscow: Akademii nauk SSSR, 1959.
———. Rabochii klass SSSR, 1926–1929 gg. Moscow: Znanie, 1960.
———. Sotsialisticheskoe sorevnovanie v SSSR: istoricheskie ocherki 1917–1930 gg. Moscow: Nauka, 1977.
Rogovin, Vadim Z. 1937: Stalin’s Year of Terror. Oak Park, MI: Mehring, 1998.
———. Partiia rasstreliannykh. Moscow: Rogovin, 1997.
———. Stalin’s Terror of 1937–1938: Political Genocide in the USSR. Oak Park, MI: Mehring, 2009.
Rohwer, Jürgen, and Mikhail S. Monakov. “The Soviet Union’s Ocean-Going Fleet,” International History Review, 18/4 (1996): 837–68.
———. Stalin’s Ocean-Going Fleet: Soviet Naval Strategy and Shipbuilding Programmes 1935–1953. London: Frank Cass, 2001.
Rokossovskii, K. K. Soldatskii dolg. Moscow: Voenizdat, 1997.
Rolland, Romain. Voyage à Moscou (juin-julliet 1935). Paris: Albin Michel, 1992.
Rölling, B. V. A., and C. F. Rüter, eds. The Tokyo Judgment: The International Military Tribunal for the Far East. Amsterdam: APA University, 1977.
Romano, Andrea, and Nonna S. Tarchova, eds. L’Armata Rossa e la collettivizzazione delle campagne nell’URSS, 1928–1933: raccolta di documenti dai Fondi dell’Archivio militare di Stato Russo. Naples: Istituto universitario orientale, 1996.
Romerstein, Herbert, and Eric Breindel. The Venona Secrets: Exposing Soviet Espionage and America’s Traitors. Washington, D.C.: Regnery, 2001.
Rommel, Erwin. The Rommel Papers. Edited by B. H. Liddell Hart. New York: Da Capo Press, 1953.
Roos, Hans. Polen und Europa: Studien zur politischen Aussenpolitik, 1931–1939. Tübingen: Moor, 1957.
Rose, Kenneth. King George V. London: Weidenfeld and Nicolson, 1983.
Rosenberg, Alfred. Blut und Ehre. Munich: Zentralverlag der NSDAP, 1938.
Rosenfeldt, Niels Erik. “‘The Consistory of the Communist Church’: The Origins and Development of Stalin’s Secret Chancellery,” Russian History, 9/2–3 (1982): 308–24.
———. Knowledge and Power: The Role of the Secret Chancellery in Stalin’s System of Government. Copenhagen: Rosenkilder and Bagger, 1978.
———. Stalin’s Secret Chancellery and the Comintern: Evidence about the Organizational Patterns. Copenhagen: Reitzel, 1991.
———. Stalin’s Special Departments: A Comparative Analysis of Key Sources. Copenhagen: University of Copenhagen, 1989.