1. University of Pennsylvania, LJS 397 Title: Astronomical texts Place: Wittenberg Date: [circa 1550]
2. University of Pennsylvania, Ms. Codex 914 Title: Johannis tostii clarissimorum witebergensium professorum descriptio Author: Johannes Tostius Place: Wittenberg Date: [1582]
3. The Huntington Library, Art Museum, and Botanical Gardens, 17862a Title: Geometry text Author: Philipp Melanchthon Place: Wittenberg Date: 1553