1. University of Pennsylvania, Ms. Coll 390, Item 289 DS ID: DS7625 Title: Kālanirṇaya Author: Vidyaranya Date: circa 1700-1850.
2. University of Pennsylvania, Ms. Coll 390, Item 1637 DS ID: DS8738 Title: Kālanirṇaya Author: Vidyaranya Date: circa 1700-1850.
3. University of Pennsylvania, Ms. Coll 390, Item 1664 DS ID: DS8766 Title: Kālanirṇaya Author: Vidyaranya Date: circa 1700-1850.