Ryōma ni manabu mizu no kokoro to kōdō tetsugaku
Subtitle: dōran no jidai o tatakaitsuzuketa otoko no shisō ga gendai ni yomigaeru!
By: Momose Akitsugu.
Publisher: Kanki Shuppan
Published: 1998
Place of publication: Tōkyō
Language: jpn
Number of pages: 235
Subjects: Sakamoto, Ryōma, -- 1836-1867.; Conduct of life -- Japan.; Merchants -- Japan -- Conduct of life.