1. University of Pennsylvania, Ms. Coll 390, Item 1299 DS ID: DS8437 Title: Brāmaṇācchaṃsiprayoga Author: Baudhayana Date: 1810.
2. University of Pennsylvania, Ms. Coll 390, Item 1300 DS ID: DS8438 Title: Cayanaprayoga Author: Baudhayana Date: 1814.