• Aka Spyan snga Bsod nams rgyal mtshan, Chos rje Nyer gnyis pa. He was a 'Bri gung pa.
• PPTK, pp. 212-213. A 51-folio biography is listed here, entitled: Chos kyi rje spyan snga bsod nams rgyal mtshan dpal bzang po'i rnam thar mthil mkhan chen kun dga' rgyal mtshan gyi mdzad pa. His father was Bdag po Shākya rin chen, his mother Zi na Rin chen 'dzoms pa. His main works are on Phyag chen and Nā ro chos drug.
• This biography has now been published in Sørensen, Rare Texts, Text B.
• Ehrhard, HMB, p. 224, where there is an explanation for the "22" in his name, since he died on the 22nd day of the month.
• Thuken, p. 151, where he is evidently cited.

Bibliography:

• Rje na ro pa chen po'i chos drug gsal byed kyi sgron me.
  • Drepung Catalog, p. 817. Woodblock print in 168 folios.
  • Marta Sernesi, A Manual on Nāropa's Six Yogas by sPyan snga Nyer gnyis pa (1386-1434): Tucci Tibetan Collection 1359, Indo-Iranian Journal, vol. 53, no. 2 (2010), pp. 121-163. Here the title is given as Dpal na ro'i chos drug gi khrid yig bde chen gsal ba'i 'od zer stong ldan. It, also, is a 168-folio woodblock print, having 80 illustrations on the margins.