Kawaji was one of three signers of the [[1854]] [[Treaty of Shimoda]], along with [[Tsutsui Masanori]] and [[Koga Masaru]]; Kawaji and Tsutsui also played prominent roles in a number of other diplomatic events of the time, including negotiation discussions with [[Yevfimy Vasilyevich Putyatin]] in [[1853]] to 1854,<ref>Gallery labels, Tôyô Bunko.[https://www.flickr.com/photos/toranosuke/35277672813/sizes/l/]</ref> and discussions and preparations pertaining to the visit of US consul general [[Townsend Harris]] to Edo in [[1857]].<ref>Ishin Shiryô Kôyô 維新史料綱要, vol 2 (1937), 386.</ref> | Kawaji was one of three signers of the [[1854]] [[Treaty of Shimoda]], along with [[Tsutsui Masanori]] and [[Koga Masaru]]; Kawaji and Tsutsui also played prominent roles in a number of other diplomatic events of the time, including negotiation discussions with [[Yevfimy Vasilyevich Putyatin]] in [[1853]] to 1854,<ref>Gallery labels, Tôyô Bunko.[https://www.flickr.com/photos/toranosuke/35277672813/sizes/l/]</ref> and discussions and preparations pertaining to the visit of US consul general [[Townsend Harris]] to Edo in [[1857]].<ref>Ishin Shiryô Kôyô 維新史料綱要, vol 2 (1937), 386.</ref> |