Root text of "Uttar Tantra" ("Gyud Lama") by Buddha Maitreya. Commentary ("de kho na nyid rab tu gsal ba'i me long") by Go Lotsava Zhonnu Pal. 1392-1481
(theg pa chen po rgyud bla ma'i bstan bcos kyi 'grel bshad de kho na nyid rab tu gsal ba'i me long )
