December 1940. The originals of the Annual Operation Plans of the Army from 1938 to 1941 and of the Navy from 1936 to 1940 are preserved in the Military History Department. The Navy's 1941 Plan is no longer extant, but part of the 1941 Plan exists in the form of a correction of the 1940 Plan.
Boei Kenshusho Senshishitsu, 'Daihonei Rikugunbu, Dai Toa Senso Kaisen Keii (Army Division of the Imperial Headquarters: Leading to the Outbreak of War)(4)', Tokyo, 1974, pp. 29-34.
Ibid., pp. 118-139. Daihonei Kaigunby, Rengokantai (1), op. cit, pp. 526-
Senshibu Archives, 'Nanpo Shisaku Sokushin ni Kansuru Ken (Regarding the Promotion of the Southern Area Policy)'.
Information given by Rear Admiral Tomioka Sadatoshi (at that time, Head of the First Section of the First Department of the Naval General Staff) to the author, in Tokyo, on 13 February 1962.
Senshibu Archives, Document entitled 'Nanpo Senryochi Gyosei Jisshi Yoko (Outlines for Implementing the Administration of the Occupied Southern Areas).'
Senshibu Archives, Document entitled 'Senryochi Gunsei Jisshi ni Kan- suru Rikukaigun Chuo Kyotei (Central Agreement between the Army and Navy Concerning the Implementation of the Military Administration in the Occupied Areas)'.
Senshibu Archives, Document entitled 'Nanpo Keizai Taisaku Yoko (Out- line of Economic Policies for the Southern Areas)'.
Senshibu Archives, Daikaimei (Imperial Orders for the Navy) No. 1.
Senshibu Archives, Dairikumei (Imperial Orders for the Army) No. 564.
Senshibu Archives, 'Saiko Senso Shido Kaigi Kettei (Decisions of the Su-
preme Council for the Direction of the War)', No. 2.
Proceedings of the Meetings of the Diet.