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W. Giesen: Zur Geschichte das buddhistischen Ritualgesangs in Japan: Traktate des 9. bis 14. Jahrhunderts zum shōmyō der Tendai-Sekte (Kassel, 1977)
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K. Fukushima, ed.: (Ueno Gakuen Nihon Ongaku Shiryōshitsu dai yonkai tokubetsu tenkan) Shōmyō shiryō ten shutchin mokuroku [Research Archives for Japanese Music, Ueno Gakuen College, descriptive catalogue of the fourth exhibition ‘Materials on Buddhist chant’] (Tokyo, 1978)
T. Harima: Jōdo shinshū Honganji-ha, Shōmyō-fu narabi ni kaisetsu [New Pure Land school, Honganji sub-school, shōmyō scores and explanation] (Kyoto, 1979)
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K. Fukushima, ed.: (Ueno Gakuen Nihon Ongaku Shiryōshitsu dai shichikai tokubetsu tenkan) Shōmyō shiryō ten: (shōmyō-shū tokushū) shutchin mokuroku [Research Archives for Japanese Music, Ueno Gakuen College, descriptive catalogue of the seventh exhibition ‘Materials on Buddhist chant’] (Tokyo, 1982)
J. Hill: ‘Ritual Music in Japanese Esoteric Buddhism: Shingon Shōmyō’, EthM, xxvi (1982), 27–39
K. Fukushima, ed.: (Ueno Gakuen Nihon Ongaku Shiryōshitsu dai kyūkai tokubetsu tenkan) Shōmyō shiryō ten: kōshiki [Research Archives for Japanese Music, Ueno Gakuen College, descriptive catalogue of the Ninth Exhibition ‘Materials on Buddhist chant: kōshiki’] (Tokyo, 1984)
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K. Ōmori: Nenbutsu geinō to goryō shinkō [Performing arts of nembutsu and the goryō spirit faith] (Tokyo, 1992)
D. Amano and others, eds.: Bukkyō ongaku jiten [Dictionary of Buddhist music] (Kyoto, 1994)
M. Satō, ed.: Chūsei jiin to hōe [Medieval monasteries and Buddhist liturgy] (Kyoto, 1994)
K. Arai: ‘The Historical Development of Music Notation for Shōmyō (Japanese Buddhist Chant): Centering on Hakase Graphs’, Nihon ongakushi kenkyū, i (1995), vii–xxxix [in Jap. and Eng.]