Gundert, Herman. ഗുണ്ടർട്ട്, ഹെർമൻ. വജ്രസൂചി / Vajrasuci by Herman Gundert. - Kottayam : D C Books, 1992. - 479p. ISBN: 81713001509 Subjects--Topical Terms: Malayalam literature Study Dewey Class. No.: 894.81209 / GUN.V