1566. University of Pennsylvania, Ms. Coll 390, Item 1091 Title: Māṇḍūkyopaniṣadbhāṣya Author: Ādi Shankara Date: circa 1700-1850.
1569. University of Pennsylvania, Ms. Coll 390, Item 1095 Author: Nārāyaṇāśrama Date: circa 1700-1850.