The Jingangding dayujia mimi xin di famen yijue （1 fasc. （T 1798.39.808-823）， abbr. 金刚顶义诀， composed by Amoghavajra 不空. Said to be a record of Vajrabodhi's 金刚智 commentary on his redaction of the Tattvasam!graha （T 866）. An account of the text's revelation from the Iron Stupa 鐡塔 and its transmission to China is also given. Only the first of three fascicles is now extant. For a partial Eng. tr. see Orzech （1995）; for textual and historical studies see Endo^ （1987）.