Robert E. ed., Encyclopedia of Buddhism, New York: Macmillan Reference Lib., pp. 605–606 Bongard-Levin, G.M (1986). New Sanskrit fragments of the Mahāyāna Mahāparinivāṇa-sūtra: Central Asian manuscript collection, The International Institute for Buddhist Studies. Ito, Shinjo (2009). Shinjo: Reflections, Somerset Hall Press. Lai, Whalen (1982). Sinitic speculations on buddha-nature: The Nirvaana school (420-589), Philosophy East and West 32 (2), 135-149 Radich, Michael (2015). The Mahāparinivāṇa-mahasūtra and the Emergence of Tathagatagarba Doctrine, Hamburg Buddhist Studies Vol. 5, Hamburg University Press Yuyama, Akira (1981). Sanskrit fragments of the Mahāyāna Mahāparinivāṇa-sūtra: Koyasan manuscript, The Reiyukai Library. External links Tony Page's Nirvana Sutra website Revised translation of the Mahaparinirvana Sutra Digital Dictionary of Buddhism (log in with userID "guest") Mahayana sutras Nichiren Buddhism Shentong Buddha-nature Vaipulya sutras