1. University of Kansas, MS A19 Title: Liber scintillarum Author: Defensor of Ligugé Place: France Date: [between 1291-1310]
2. University of Pennsylvania, Ms. Codex 1559 Title: Scale of perfection Author: Walter Hilton Place: Italy Date: 1510.
3. University of Pennsylvania, Ms. Codex 692 Title: De vita Christiana Author: Pseudo-Augustine Place: Germany Date: 1467.