Title: Collected works on mercury formulations (rasasiddhisastra)
Description: Compilation of texts on formulas for precious Tibetan medicinal pills, called the Rinchen Ngulchu Tsotru Dhasel. Written by Ju Mipham Gyatso (1846-1912), Ogyen Tenzin Gyatso (19th cent.), Drungyig Guru Pel (18th cent.?), and Jamgon Lodro Taye (1813-1899).