1. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 81170 DS ID: DS9603 Title: Register brevium Author: Richard Nykke Place: London Date: approximately 1460, and later additions in early 16th c.
2. The Huntington Library, Art Museum, and Botanical Gardens, mssHM 62471 DS ID: DS9637 Title: Register brevium Place: England Date: between 1425 and 1450