1. University of Pennsylvania, Ms. Coll. 390 Item 1189 DS ID: DS8337 Title: Muṇḍakopaniṣadvīraśaivabhāṣya Author: Śaṅkaraśāstri Date: 1711.
2. University of Pennsylvania, Ms. Coll. 390 Item 1185 DS ID: DS8341 Title: Krishna (Hindu deity) Author: Ādi Shankara Date: 1762.