1. Cotton MS Tiberius B XII Reference (shelfmark): Cotton MS Tiberius B XII Title: Cotton Manuscript Tiberius B XII Collection Area: Western Manuscripts Languages: English, Middle, French, and Latin Date Range: Unspecified Extent: 2 items
2. Cotton MS Tiberius B XII, ff 4–238 Reference (shelfmark): Cotton MS Tiberius B XII, ff 4–238 Title: Thomas Beckington, Opus de iure regis Anglie ad regnum Francie Collection Area: Western Manuscripts Languages: English, Middle, French, and Latin Date Range: 2nd half of the 15th century Extent: 1 item