By Yu ASAKURA, Shinsengumi Mito-ha Dokuhon - Shinsengumi o Tsukutta Otoko/Shinsengumi Dokuhon - Taishi Gaiden (all published by Tamatsukuri Sightseeing Association).
あさくらゆう　新選組水戸派読本～新選組を創った男・新選組読本～隊士外伝(いずれも玉造町観光協会発行)