Cairncross, John. The Enigma Spy: The Story of the Man Who Changed the Course of World War Two. London: Century, 1997.
Cairns, Andrew. The Soviet Famine of 1932–33: An Eyewitness Account of Conditions in the Spring and Summer of 1932. Edmonton: Canadian Institute of Ukrainian Studies, 1989.
Cameron, Sarah I. “The Hungry Steppe: Soviet Kazakhstan and the Kazakh Famine, 1921–1934,” PhD diss. Yale University, 2010.
Campbell, Joseph. Hero of a Thousand Faces. New York: Pantheon, 1949.
Campbell, Thomas D. Russia: Market or Menace? New York: Longmans, Green, 1932.
Camus, Albert. L’Espagne Libre. Paris: Calmann-Lévy, 1945.
Canetti, Elias. Crowds and Power. London: Victor Gollancz, 1960.
Caputi, R. J. Neville Chamberlain and Appeasement. Selinsgrove, PA: Susquehanna University, 2000.
Carley, Michael J. “‘A Situation of Delicacy and Danger’: Anglo-Soviet, August 1939–March 1940,” Contemporary European History Review, 8/2 (1999): 175–208.
———. “Five Kopecks for Five Kopecks: Franco-Soviet Trade Relations, 1928–1939,” Cahiers du monde russe et soviétique, 33/1 (1992): 23–58.
———. “Soviet Foreign Policy in the West, 1936–1941: A Review Article,” Europe-Asia Studies, 56/7 (2004): 1081–90.
———. 1939: The Alliance that Never Was and the Coming of World War II. Chicago: I. R. Dee, 1999.
———. Silent Conflict: A Hidden History of Early Soviet-Western Relations. Lanham, MD: Rowman & Littlefield, 2014.
Caro, Robert A. The Path to Power: The Years of Lyndon Johnson. New York: Knopf, 1982.
Carr, Edward Hallett, and R. W. Davies. Foundations of a Planned Economy, 1926–1929. 3 vols. London and Basingstoke: Macmillan, 1969–1978.
———. “Revolution from Above: Some Notes on the Decision to Collectivize Soviet Agriculture.” In The Critical Spirit: Essays in Honor of Herbert Marcuse, edited by K. H. Wolff and Barrington Moore, Jr. Boston: Beacon, 1967, 313–27.
———. “Stalin Victorious,” Times Literary Supplement, June 10, 1949.
———. German-Soviet Relations between the Two World Wars, 1919–1939. Westport, CT: Greenwood Press, 1983.
———. Socialism in One Country: 1924–1926. 3 vols. New York: Macmillan, 1958.
———. The Comintern and the Spanish Civil War. New York: Pantheon, 1984.
———. The Russian Revolution from Lenin to Stalin, 1917–1929. New York: Macmillan, 1979.
———. The Twenty Years’ Crisis, 1919–1939: An Introduction to the Study of International Relations. London: Macmillan, 1939.
———. The Twilight of the Comintern, 1930–1935. New York: Pantheon Books, 1983.
Carr, Raymond. The Spanish Tragedy: The Civil War in Perspective. London: Phoenix Press, 2001.
Carr, William. Poland to Pearl Harbor: The Making of the Second World War. London: E. Arnold, 1985.
Carsten, F. L. The Reichswehr and Politics: 1918–1933. Berkeley, CA: University of California, 1973.
Carswell, John. The Exile: A Life of Ivy Litvinov. London and Boston: Faber and Faber, 1983.
Carynnyk, Marco, et al., eds. The Foreign Office and the Famine. Kingston, Ontario, and Vestal, NY: Limestone Press, 1988.
Castellan, Georges. “Reichswehr et Armée Rouge.” In Les relations germano-soviétiques du 1933 à 1939, edited by Jean-Baptiste Duroselle. Paris: Librairie A. Colin, 1954, 137–260.
———. Le réarmement clandestin du Reich, 1930–1935, vu par le 2. Bureau de l’État-major français. Paris: Plon, 1954.
Catherwood, Christopher. The Balkans in World War Two. Houndmills, Basingstoke: Palgrave Macmillan, 2003.
Cattell, David T. Communism and the Spanish Civil War. Berkeley: University of California, 1955.
———. Soviet Diplomacy and the Spanish Civil War. Berkeley: University of California, 1957.
