1. University of Pennsylvania, Ms. Coll. 390 Item 1641 DS ID: DS8742 Title: Astronomical text Author: Bhaṭṭoji Dīkṣita Date: 1753.
2. University of Pennsylvania, Ms. Coll. 390 Item 1648 DS ID: DS8748 Title: Astronomical text Author: Gaṅgārāma Date: 1610.
3. University of Pennsylvania, Ms. Coll. 390 Item 1913 DS ID: DS9002 Title: Astronomical text Date: 1876.