1. Harry Ransom Center, MS 3327, Container 140 DS ID: DS3945 Title: Commentarius In Sphaeram Author: Antonius Verherent Place: Germany Date: 1626
2. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 732 DS ID: DS9896 Title: Astrolabium Author: Petrus Apianus Place: Germany Date: 1608