Title: ས་སྐྱ་བླ་མ་བསོད་རྣམ་རྒྱལ་མཚན་གྱི་གསུང།
Description: Collected Works by hierarch of the Sakya order and one of the prominent scholars of 14th century Tibet, Lama Dampa Sonam Gyaltsen (1312-1375) of the Khon lineage. The collected works include a total of 31 volumes, there were 9 volumes (ka, kha, nga, ca, nya, ta, tha, da, and na) in the Beijing Nationalities Library. The rest of the volumes are extent. The present collection includes liturgical and ritual works, writings on Mahayana philosophy and practice, pramana, the Kalachakra and other tantric materials.