1. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 2 Title: In Evangelium Iohannis tractatus Author: Augustine of Hippo Date: between 1125 and 1150.
2. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 19 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: [between 1150 and 1199].
3. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 15 Title: In Evangelium Iohannis tractatus Author: Catholic Church Date: ca. 1150-1175.
4. University of Pennsylvania, Misc Mss (Large) Box 1 Folder 8 Title: In Evangelium Iohannis tractatus Date: ca. 1125.