Dbu ma bśes paʼi spriṅ yig gi mchan ʼgrel - Saṅs-rgyas-bstan-ʼdzin, Sa-skya Mkhan-po (T.G. Dhongthog Rinpoche, 1980)
Commentary expounding Suhrllekha, text on Mahayana Buddhism, by Nagārjuna.