Toshio Hikasa

1933

• Karute ga kataru Okayama daikūshū
• Kūshū no shiryōgaku
• Nihon jōkū no Bei Dai 20 Kōkūgun
• Nihon jōkū no Bei dai Nijū-kōkūgun = brief history of the Twentieth Air Force ; The 20th AF over Japan