Drakakis, Athanathios (2010). "60. Onmōdō and Esoteric Buddhism". In Orzech, Charles; Sørensen, Henrik H.; Payne, Richard (eds.). Esoteric Buddhism and the Tantras in East Asia. BRILL. p. 687. ISBN9789004204010.
Ruppert (2002), pp. 157–158. Ruppert, Brian O. (November 2002). "Buddhist Rainmaking in Early Japan: The Dragon King and the Ritual Careers of Esoteric Monks". History of Religions. 42 (2): 143–174. doi:10.1086/463701. JSTOR3176409. S2CID161794053.
Ruppert (2002), pp. 157–158. Ruppert, Brian O. (November 2002). "Buddhist Rainmaking in Early Japan: The Dragon King and the Ritual Careers of Esoteric Monks". History of Religions. 42 (2): 143–174. doi:10.1086/463701. JSTOR3176409. S2CID161794053.
Ruppert (2002), pp. 157–158. Ruppert, Brian O. (November 2002). "Buddhist Rainmaking in Early Japan: The Dragon King and the Ritual Careers of Esoteric Monks". History of Religions. 42 (2): 143–174. doi:10.1086/463701. JSTOR3176409. S2CID161794053.
Raiyu [ja]'s edited work Hishō mondō秘鈔問答 quotes from this sutra: "As the Collected Dhāraṇī Sūtras, 11 states, this altar should have a single-walled and four-gated boundary be made around its field. And on the East gate of the altar, the gate officer should be crafted out of mud, in the embodiment of the dragon king 其壇界畔作一重而開四門。壇之東門将以泥土作、龍王身".[42]
The title gives wulong or five dragons, but the figure with a pair of hands growing out of eye socket is Yangjian taisui akaYang Yin (Investiture of the Gods) [zh], and the other figures are the azure dragon, tiger, and vermillion bird from the Four Symbols.
"... that is to say, canglong [blue-green dragon] to the east in spring, the red dragon tp the south in summer, the yellow dragon to the center in late summer (jìxià), white dragon to the west in autumn, and black dragon to the north in winter ..すなわち、春は蒼龍を東に、夏は赤龍を南に、季夏は黄龍を中央に、秋は白龍を西に、冬は黒龍を北にそれぞれ配置するとされている".[34]
