Treatise on the calendar beginning ‘Naturalis abacus ob integrorum ac minutiarum barbaras figuras’ (3r–23v); Gerland (Garlandus), De abaco (25r–35v: Thorndike 848, 923); De manuali kalendario (37r–52v: Thorndike 562, 106); computistical treatise beginning ‘(F)inito manuali abaco, restat nunc ut promisimus’ (53r–59r)
Collection Area:
Western Manuscripts
Languages:
Latin
Date Range:
4th quarter of the 12th century-1st quarter of the 13th century
Letters of Popes Alexander III (1159–81), Lucius III (1181–85) and Urban III (1185–87) and others addressed primarily to the clergy of England, Scotland and Wales