1. University of Pennsylvania, Misc Mss (Large) Box 2 Folder 22 Title: In Evangelium Iohannis tractatus Date: 1534, 1540.
2. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 6 Title: In Evangelium Iohannis tractatus Author: Antonius Beraldus Date: 1532.
3. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 9 Title: In Evangelium Iohannis tractatus Author: Bicknacre Priory Date: 1496.
4. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 11 Title: In Evangelium Iohannis tractatus Author: Gaspardus Bremlen Date: 1590.
5. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 13 Title: In Evangelium Iohannis tractatus Author: Richard Burdet Date: 1478.
6. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 17 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: 1400s.
7. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 20 Title: In Evangelium Iohannis tractatus Author: Agnes de Cavaciis Date: 1397.
8. University of Pennsylvania, Misc Mss (Large) Box 2 Folder 3 Title: In Evangelium Iohannis tractatus Author: G. Girardi Date: 1478.
9. University of Pennsylvania, Misc Mss (Large) Box 2 Folder 4 Title: In Evangelium Iohannis tractatus Author: Gregory XI Date: 1377.
10. University of Pennsylvania, Misc Mss (Large) Box 2 Folder 10 Title: In Evangelium Iohannis tractatus Author: George Martinuzzi Date: 1538.