Bkeʾ [i.e. Bkaʾ] brgyad bde gshegs ʾdus pa : rediscovered by Mngaʾ bdag Myang Nyi-ma-ʾod-zer - Ñaṅ-ral Ñi-ma-'od-zer (Ngagyur Nyingmay Sungrab, 1976)