Distinguishing the views and philosophies : illuminating emptiness in a twentieth-century Tibetan Buddhist classic /

by Mdo-sṅags Bstan-paʼi-ñi-ma, Bod-pa Sprul-sku, 1898-1959
Albany : State University of New York Press, 2011

Groundless paths : the Prajnaparamita sutras, the Ornament of clear realization, and its commentaries in the Tibetan Nyingma tradition /

by O-rgyan-ʼjigs-med-chos-kyi-dbang-po, Dpal-sprul, 1808-1887
Ithaca, N.Y. : Snow Lion Publications, 2012

The Nyingma School of Tibetan Buddhism : its fundamentals and history.

by Bdud-ʼjoms ʼJigs-bral-ye-shes-rdo-rje, 1904-1987
Boston, Mass. : Wisdom Publications, 2002
[Second edition].