1. Lansdowne MS 409/4 Reference (shelfmark): Lansdowne MS 409/4 Title: Scope & Content: 4. Tractatulus de potestate ecclesiastica et de origine juris et legum, editus a Cancellario Parysiensi. Scriptus Constantiæ tempore generalis Concilii, A. D. 1416. fo. 77 b. Collection Area: Western Manuscripts Languages: English Date Range: 1416 Extent: 1 item