1. University of Pennsylvania, Ms. Coll 390, Item 74 DS ID: DS7057 Title: Kātyāyanaśrautasūtra Date: circa 1700-1850.
2. University of Pennsylvania, Ms. Coll 390, Item 1034 DS ID: DS8187 Title: Pañcadaśī Author: Vidyaranya Date: 1844.