1. University of Pennsylvania, Ms. Coll 390, Item 564 DS ID: DS7759 Title: Advaitabrahmasiddhi Date: circa 1650-1800.
2. University of Pennsylvania, Ms. Coll 390, Item 568 DS ID: DS7763 Title: Advaitabrahmasiddhi Author: Madhusūdana Sarasvatī Date: 1650-1800.