Nyingma Gyubum (Tibetan: རྙིང་མ་རྒྱུད་འབུམ, Wylie: rnying ma rgyud ‘bum, Collected Teachings of the Ancients) is a collection of Vajrayana texts reflecting the teachings of the Nyingma ("Ancient") school of Tibetan Buddhism.[1]
^Germano, David (2000). 'Canons at the boundaries: the rnying ma tantras and shades of gray between the early and late translations'; in Eimer, Helmut & Germano, David (2002). The many canons of Tibetan Buddhism: PIATS 2000 : Tibetan studies : proceedings of the Ninth Seminar of the International Association for Tibetan Studies. Brill. 9004125957, 9789004125957. Source: [1] (accessed: Tuesday March 23, 2010), p.199