1. University of Pennsylvania, Ms. Coll 390, Item 557 Title: Advaitabrahmasiddhi Author: Madhusūdana Sarasvatī Date: circa 1700-1850.
2. University of Pennsylvania, Ms. Coll 390, Item 564 Title: Advaitabrahmasiddhi Date: circa 1650-1800.
3. University of Pennsylvania, Ms. Coll 390, Item 568 Title: Advaitabrahmasiddhi Author: Madhusūdana Sarasvatī Date: 1650-1800.