1. Harley MS 866, ff 8r-17r Reference (shelfmark): Harley MS 866, ff 8r-17r Title: Ranulf Higden, Ars componendi sermones. Scope & Content: Ranulf Higden, Ars componendi sermones, with a title: 'De arte predicandi sed Ranulphum castrensis.' Collection Area: Western Manuscripts Languages: Latin Date Range: c 1390-c 1410 Extent: 9 folios.