1. University of Pennsylvania, Ms. Roll 1066 DS ID: DS2106 Title: Genealogical chronicle Place: London and England Date: circa 1461
2. 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.