1. University of Pennsylvania, LJS 226 Title: Certain astrological and astronomical figures Place: England Date: [1410?]
2. University of Pennsylvania, Oversize Ms. Codex 110 Title: Alchemical miscellany Place: England Date: [between 1400 and 1450]
4. University of Pennsylvania, Ms. Codex 197 Title: Contemplations of the dread and love of God Place: England Date: [circa 1400]
5. University of Pennsylvania, Oversize Ms. Codex 198 Title: A Myrour to Lewde Men and Wymmen Place: England Date: [between 1400 and 1450]
6. University of Pennsylvania, Oversize Ms. Codex 218 Title: Devotional works Place: England Date: [between 1400 and 1425]
7. University of Pennsylvania, Ms. Codex 75 Title: Pupilla oculi Author: John Burgh Place: England Date: [between 1400 and 1425]
9. University of Pennsylvania, Ms. Roll 1588 Title: Genealogical chronicle Place: England Date: [between 1425 and 1450]