Sakamoto Ryōma kankei monjo
By: Nihon Shiseki Kyōkai hen.
Contributors: Nihon Shiseki Kyōkai.
Edition: Fukkoku saikan
Series: Nihon Shiseki Kyōkai sōsho -- 115-116
Publisher: Tōkyō Daigaku Shuppankai
Published: 1989
Place of publication: Tōkyō
Language: jpn
Subjects: Sakamoto, Ryōma, -- 1836-1867 -- Archives.; Japan -- History -- Restoration, 1853-1870 -- Sources.
Other titles: Sakamoto Ryōma kankei bunsho.
Notes: Originally published: Tōkyō : Nihon Shiseki Kyōkai, 1926.