1. University of Pennsylvania, Oversize Ms. Codex 1257 Bookmark DS ID: DS993 Title: Ars epistolandi Author: Antonius de Vecelli Place: Pieve di Cadore and Italy Date: 1414-1497.
2. University of Chicago, Codex Ms. 1430 Bookmark DS ID: DS16919 Title: Grammatical text Place: Italy Date: between 1250 and 1450