Longchen Nyingtik Tsa-Lung Series
Texts related to the tsa-lung (rtsa rlung) practice within the Longchen Nyingtik (klong chen snying thig), the Heart-Essence of the Vast Expanse:
Texts related to the tsa-lung (rtsa rlung) practice within the Longchen Nyingtik (klong chen snying thig), the Heart-Essence of the Vast Expanse:

Dilgo Khyentse Rinpoche
Courtesy of Shechen Archives
Vajrayāna Buddhism places restrictions on the reading and practice of certain texts, which are intended only for those who have received the requisite empowerments, transmissions and instructions.
If you are unsure as to whether you are entitled to read or practice a particular text please consult a qualified lineage-holder.