1. University of Pennsylvania, LJS 502 Title: De mysteriis Author: Ambrose Date: between 1075 and 1125?
2. University of Kansas, MS D3 Title: Expositio psalmi Author: Ambrose Place: England Date: [between 1191-1210]
4. University of Kansas, MS Qa38 Title: Splendor paternae gloriae Author: Ambrose Place: Italy Date: [between 1451 and 1500]