Kindai Nihon no han kenryoku shisō Ryōma no "Hanron" o chūshin ni - Sekiya, Shinsuke 1936- (Hōritsu Bunkasha, 1986)
"Fuku ko ron. A return to the ancient regime" : p. 1-26 (2nd grou) ; "Han ron. Translation of a Japanese pamphlet, entitled 'Han ron'" : p. 28-43 (2nd group). - Also includes Japanese original and modern version of Hanron, and Japanese summary of Fukkoron