Sṅa ʼgyur Rñiṅ ma la rgol ṅan log rtog bzlog paʼi bstan bcos : a defence of the teachings of the Nyingmapa against various detractors - Kloṅ-chen-pa Dri-med-ʼod-zer, 1308-1363 (T. S. Tashigang, 1977)