2. University of Pennsylvania, Ms. Coll 390, Item 828 Title: Brahmasūtra Author: Badarayana Date: circa 1700-1850.
4. University of Pennsylvania, Ms. Coll 390, Item 1155 Title: Brahmasūtra Author: Badarayana Date: circa 1700-1850.
5. University of Pennsylvania, Ms. Coll 390, Item 1248 Title: Brahmasūtra Author: Badarayana Date: circa 1700-1850.