Hiroyuki Hata

1930

• Constitutional law of Japan
• Gendai hōgaku nyūmon
• Kokusai jinkenhō gairon
• Rikken shugi
• Amerika no seiji to Renpo Saiko Saibansho
• Hanrei Kenpō nyūmon
• Kenpō fōramu
• Kenpō to gyōseihō no genzai
• Minami Taiheiyō shokoku no hō to shakai
• Seiji to shūkyō o kangaeru
• Sekai no kenpōshū