1. Harley MS 13, f 30v Reference (shelfmark): Harley MS 13, f 30v Title: A table for converting Christian years into Arabic years Scope & Content: A table for converting Christian years into Arabic years with an explanatory text, incipit: 'Ut annos arabum'. Collection Area: Western Manuscripts Languages: Latin Date Range: c 1290-c 1310 Extent: 1 folio.