Namgyal Institute of Tibetology: Rgyan-Drug Mchog-Gnyis. Lives and Thoughts of the Eight Masters The Buddha, Nagarjuna, Aryadeva, Asanga, Vasubandhu Dignaga, Dharmakirti Gunaprabha and Sakyaprabha Limited Edition Gangtok, Sikkim, Namgyal Institute of Tibetology, printed by The eagle Lithographing Co., 28. March, 1962.