1. University of Pennsylvania, Ms. Coll. 390 Item 460 DS ID: DS7399 Title: Maṇikarṇikāṣṭaka Author: Ādi Shankara Date: circa 1829.
2. University of Pennsylvania, Ms. Coll. 390 Item 546 DS ID: DS7740 Title: Saṃkṣiptavedānta śāstraprakriya Author: Ādi Shankara Date: circa 1875-1925.