1. University of Pennsylvania, Ms. Coll. 390 Item 1730 DS ID: DS8823 Title: Śabdenduśekhara Author: Nāgeśabhaṭṭa Date: circa 1700-1850.
2. University of Pennsylvania, Ms. Coll. 390 Item 1732 DS ID: DS8825 Title: Śabdenduśekhara Author: Nāgeśabhaṭṭa Date: circa 1700-1850.