Gsang chen snga ʼgyur gyi bstan pa byang nas byang du dar tshul gleng ba gʹyas ʼkhyil dung gi sgra dbyangs zhes bya ba bzhugs so

History of the origin, growth, and development of tantric Buddhism in India and Tibet in general with special reference to spread of Buddhism northward, particularly in Reb-gong Gser-mo-ljongs (Ch. Tongren) in the traditional Tibetan region of Amdo (Tib. A-mdo) in Qinghai Province including history of gter-ma