Books:

Fugate, Bryan I. Operation Barbarossa: Strategy and Tactics on the Eastern Front, 1941. Novato, CA, Presidod Press. 1984.

Guderian, Heinz. Panzer Leader. New York, E. P. Dutton & CO., Inc. 1952.

Shirer, William L. The Rise and Fall of the Third Reich: A History of Nazi Germany. New York. Simon & Schuster. 1960.

Stalin, Joseph. The Great Partiotic War of the Soviet Union New York, International Publishers. 1945

Werth, Alexander. Russia at War, 1941-1945. New York, E. P. Dutton & CO., Inc. 1964.

Articles:

Koch, H. W. "Operation Barbarossa - The Current State of the Debate". The Historical Journal 31, 2 (1988), pp. 377-390