Author: Ch Toussaint Thomas, Frederick William Bacot, Jacques
Publisher:Librairie Orientaliste Paul, Paris
Copyright:1940
Author: Hartman, Sven S.
Publisher:Almqvist & Wiksells, Uppsala
Copyright:1953
Author: Srinivasachari, C. S. Rao Sahib
Publisher:Bibliotheque Publique, Pondichery
Copyright:1940