. . . "The dzogchen : innermost essence preliminary practice = \"Long-chen nying-thig ngön-dro\" with original Tibetan text"@en . . . . . . "The Dzog-chen innermost essence, preliminary practice = The Long-chen nying-thig ngon-dro with original Tibetan text"@en . . . "Dzog-chen: preliminary practice of the innermost essence"@en . . . "Ling-chen Nying-thig Ngön-dro" . . "Long-chen nying-thig ngön-dro"@en . "The Dzogchen : innermost essence preliminary practice : \"Long-chen Nying-thig Ngön-dro\"" . . . . . . "The Dzogchen : innermost essence preliminary practice = \"Ling-chen Nying-thig Ngön-dro\" with original Tibetan text" . .