1. Harley MS 3843, ff 118r-129v Reference (shelfmark): Harley MS 3843, ff 118r-129v Title: Johannes de Sacro Bosco, Algorismus Scope & Content: Johannes de Sacro Bosco, Algorismus, incipit: 'Omnia quae a primaeva rerum origine'. Collection Area: Western Manuscripts Languages: Latin Date Range: 3rd quarter of the 15th century Extent: 12 folios.
