"A Pilgrimage to Ancient Temples 26: Enryaku-ji Temple" by Shotaro YASUOKA and Gensho YODA, Yasushi INOUE and Zenryu TSUKAMOTO, editors. Tankosha Publishing, 1978
井上靖、塚本善隆監修、安岡章太郎、誉田玄昭著　『古寺巡礼京都26　延暦寺』　淡交社、1978