1. University of Pennsylvania, Ms. Coll 390, Item 1402 DS ID: DS8542 Title: Vaṭodyāpanaprayoga Date: 1794.
2. University of Pennsylvania, Ms. Coll 390, Item 1425 DS ID: DS8550 Title: Vaṭasāvitrīvrata Date: circa 1700-1850.
3. University of Pennsylvania, Ms. Coll 390, Item 1403 DS ID: DS8553 Title: Vaṭasāvitrīvratodyāpana Date: circa 1700-1850.