The followers of the first teachings of Secret Mantra propagated in Tibet by the great master Padmasambhava in the 8th century. Patrul Rinpoche belonged to this school. [WOMPT, 1998]

Referred to also as the Nyingma or Ancient school, the original tradition of Tibetan Buddhism. Its adherents study and practice the tantras (and their related teachings) that were translated in the first period between the introduction of the Buddhadharma to Tibet in the eighth century and the period of New Translation inaugurated by Rinchen Zangpo (958-1051). [TPQ, 2010]

See Ancient Translation school. [TPQ, 2010]

The followers of the first teachings of the Secret Mantrayana propagated in Tibet by the great masters Vimalamitra and Padmasambhava in the eighth century. [ZT, 2006][NS]

See Ancient Tradition [ZT, 2006]

The ancient tradition. The first and mother school of Tibetan Buddhism, so called in contrast with the subsequent schools founded at a later date. [LLB, 2002]

The earliest school of Tibetan Buddhism, founded in the eighth century by the Guru Padmasambhava. [TEPTE, 1996]

See Old tradition. [WL, 2012]

The original tradition of Buddhist teaching in Tibet dating from the eighth century, sometimes referred to as the Old Translation School, so-called in contrast with the schools of the New Translation tradition, founded from the twelfth century onward. [WL, 2012]