Bdud kyi g.yul las rab tu rgyal bar byed paʼi bsñen paʼi man ṅag : method for invocation of a form of Mahākālá as visualized by the adherents of the ʼBrug-pa Dkar-brgyud-pa Sect - Padma-dkar-po, ʼBrug-chen IV, 1527-1592 ([s.n.], 1968)