(en) Lester Brooks (préf. Fumihiko Togo), Behind Japan's Surrender : The Secret Struggle That Ended an Empire, New York, McGraw-Hill Book Company, (OCLC469076347)
(en) Edward J. Drea, In the Service of the Emperor : Essays on the Imperial Japanese Army, University of Nebraska Press, coll. « Studies in war, society, and the military », , 299 p. (ISBN978-0-8032-1708-9), chap. Japanese Preparations for the Defense of the Homeland & Intelligence Forecasting for the Invasion of Japan (« Japanese Preparations for the Defense of the Homeland & Intelligence Forecasting for the Invasion of Japan »)
(en) Richard B Frank, Downfall : The End of the Imperial Japanese Empire, New York, Random House, , 484 p. (ISBN978-0-14-100146-3)
(en) Bernard Jowett (ill. Stephen Andrew), The Japanese Army 1931-45 (Volume 2, 1942-45), t. 2 : 1942-45, Osprey Publishing, coll. « Men-at-arms series » (no 369), , 48 p. (ISBN978-1-84176-354-5)
Victor Madej, Japanese Armed Forces Order of Battle, 1937-1945, Game Publishing Company,
(en) Daniel Marston (editeur), The Pacific War Companion : From Pearl Harbor to Hiroshima, Oxford, Osprey Publishing, , 272 p. (ISBN978-1-84176-882-3)
(en) John Ray Skates, The Invasion of Japan : Alternative to the Bomb Downfall, New York, University of South Carolina Press, , 276 p. (ISBN978-0-87249-972-0)