32. University of Pennsylvania, Ms. Coll 390, Item 889 Title: Fourteen yoga upaniṣads Date: after 1839.
34. University of Pennsylvania, Ms. Coll 390, Item 1028 Title: Taittirīyopaniṣadbhāṣyavārttika Author: Sureśvarācārya Date: circa 1700-1850.
39. University of Pennsylvania, Ms. Coll 390, Item 1122 Title: Vākyavr̥tti Author: Ādi Shankara Date: 1876.
40. University of Pennsylvania, Ms. Coll 390, Item 1123 Author: Madhusūdana Sarasvatī Date: circa 1650-1799.