1. University of Pennsylvania, Ms. Coll 390, Item 354 DS ID: DS7309 Title: Śuklakṛṣṇaikādaśīvrata Date: 1782.
2. University of Pennsylvania, Ms. Coll 390, Item 2265 DS ID: DS9257 Title: Śuklakṛṣṇaikādaśīvrata Date: circa 1700-1850.