Selection by Author: Alexander III., Papst
| Shelfmark | Manuscript title | Place of origin | Date of origin | Facsimile |
|---|---|---|---|---|
| Cod. Guelf. 460 Helmst. | Petrus Blesensis. Boniohannes de Messana. Franciscus Petrarca | Lüneburg, Franziskanerkloster | 15. Jh., 2. Viertel | 
|
| Cod. Guelf. 462 Helmst. | Petrus Blesensis. Bonaventura | Nordfrankreich (Paris?) | 1240–1415 | 
|