Sugawara-ryū hitsudō yōketsu (菅原流筆道要訣)

Narita, Baiho Nagataka, Dōnittoku, Baiho sensei, Shunrō Narita sensei (成田梅甫 長孝, 道日徳, 梅甫先生, 春櫻成田先生); Narita, Yorihiro (成田頼裕)