For Lokayata see Eli Franco's Perception, Knowledge and Disbelief. A Study of Jayarasi's Scepticism. Delhi: Motilal Banarsidass Publ., 1994 (2nd ed.), orig. ed. 1987. Contains text of the Tattvopaplavasimha of Jayarasi, its translation, and a study of the material. Edeltraud Harzer Clear.