title: [The Letter which M.D. Kouan Ogata Sent to M.D. Ryoutei (Yuushi) Takeya in 20th December 1857].
authors.forename: Shigeharu
authors.initials: S
authors.lastname: Nakayama
mesh_terms: D015709:Correspondence as Topic / Q000266:history*; D049672:History, 19th Century; D007564:Japan