Bu ston Rin chen grub (1290 1364), Rnal 'byor Rgyud kyi Rgya mtshor 'Jug pa'i Gru gzings (= Rnal 'byor Rgyud kyi Chos 'byung), contained in: The Collected Works of Bu ston, Lokesh Chandra (New Delhi 1968), vol. 11 (DA), pp. 1 184. Composed in 1341.