The collected works (gsuṅ-'bum) of Kaḥ-thog Rig-'dzin Chen po Tshe-dbaṅ-nor-bu / 6 - Tshe-dbang-nor-bu (The collected works (gsuṅ-'bum) of Kaḥ-thog Rig-'dzin Chen po Tshe-dbaṅ-nor-bu, 1977)