Samding Dorje Phagmo The Mirror of the Heart of Vajrasattva (Tibetan: རྡོ་རྗེ་སེམས་དཔའ་སྙིང་གི་མེ་ལོང, Wylie: rdo rje sems dpa' snying gi me long) is numbered amongst the Seventeen Tantras of Menngagde (Tibetan: མན་ངག་སྡེའི་རྒྱུད་བཅུ་བདུན, Wylie: man ngag sde'i rgyud bcu bdun) within Dzogchen discourse and is part of the textual support for the Vima Nyingtik.
These Seventeen Tantras are to be found in the Canon of the Ancient School, the Nyingma Gyubum (Tibetan: རྙིང་མ་རྒྱུད་འབུམ, Wylie: rnying ma rgyud 'bum), volumes 9 and 10, folio numbers 143-159 of the edition edited by Jamyang Khyentse Rinpoche commonly known as Dilgo Khyentse Rinpoche (Thimpu, Bhutan, 1973), reproduced from the manuscript preserved at Tingkye Gonpa Jang (Tibetan: གཏིང་སྐྱེས་དགོན་པ་བྱང, Wylie: gting skyes dgon pa byang) Monastery in Tibet.
The Precious Treasury of the Way of Abiding (Tibetan: གནས་ལུགས་རིན་པོ་ཆེའི་མཛོད, Wylie: gnas lugs rin po che'i mdzod) rendered in English by Barron (1998).
[3] This work is one of Longchenpa's Seven Treasuries and the Tibetan text in poor reproduction of the pecha has been made available online by Dowman and Smith.
[4] Richard Barron renders an embedded quotation of this tantra within their translation of Longchenpa's 'Way of Abiding' (Wylie: gnas lugs): Understand all aspects of awareness to be free of ordinary consciousness, which involves concepts of identity.