Report of Investigation Division by H. Kanemitsu (SCAP), dated November 12th, 1946; on Hosaka's location and the activities he led in the Osaka Office during WW2.
PMR to the General HQ of the Supreme Commander for the Allied Powers from the Central Liaison Office (T. Nobori), dated November 29th, 1946; on the military and biographical history of Nishimura Takeshi.