Instructions on
A Treatise entitled: “A Teaching on the Essence of the Tathagatas (The Tathagatagarbha)”
by the Third Karmapa, Rangjung Dorje,
according to
An Illumination of the Thoughts of Rangjung (Dorje):
A Commentary to “The Treatise that Teaches the Buddha Nature”
by Jamgon Kongtrul Lodro Thaye the Great