71. University of Pennsylvania, Ms. Coll. 390 Item 1093 DS ID: DS8245 Title: Subodhinīvajrasūcī Author: Ādi Shankara Date: 1832.
72. University of Pennsylvania, Ms. Coll. 390 Item 1134 DS ID: DS8247 Title: Upanishads Author: Ādi Shankara Date: 1700-1850.