6682. University of Pennsylvania, Ms. Coll 390, Item 71 (Part 2) Title: Āśvalāyanagr̥hyasūtra Author: Rāmakr̥ṣṇa Bhaṭṭa Date: circa 1700-1850.
6690. University of Pennsylvania, Ms. Coll 390, Item 74 Title: Kātyāyanaśrautasūtra Date: circa 1700-1850.