Lama Dampa Sönam Gyaltsen
Lama Dampa Sönam Gyaltsen (Tib. བླ་མ་དམ་པ་བསོད་ནམས་རྒྱལ་མཚན་, Wyl. bla ma dam pa bsod nams rgyal mtshan) aka Sakyapa Sonam Gyaltsen (1312-1375) was the author of the famous historical work known as The Clear Mirror: A Royal Geneaology (rgyal rabs gsal ba'i me long). Among his teachers were Butön Rinchen Drup, from whom he received the empowerment of Kalachakra, and Drakpukpa Sönam Pal. He was a teacher of both Jé Tsongkhapa and Longchenpa. He wrote a famous commentary on the Bodhicharyavatara in 1338.
- Sakyapa Sonam Gyaltsen, The Clear Mirror: A Traditional Account of Tibet's Golden Age, translated by McComas Taylor and Lama Choedak Yuthok, Ithaca: Snow Lion, 1996
- Sørensen, P.K., Tibetan Buddhist Historiography: The Mirror Illuminating the Royal Genealogies. An Annotated Translation of the XIVth Century Chronicle rGyal-rabs gsal-ba'i me-long, Wiesbaden: Harrassowitz Verlag, 1994