1. Arundel MS 529, ff 91v-140r Reference (shelfmark): Arundel MS 529, ff 91v-140r Title: Scope & Content: De sectis previously attributed to Leontius of Byzantium and possibly by Theodore of Raïthu (PG 861 193; CPG 6823). Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 7 Jun 1111 Extent: 50 folios
