1. Harley MS 6509, ff 132r-134r Reference (shelfmark): Harley MS 6509, ff 132r-134r Title: Augustine, 'Sermo ad episcopos' Scope & Content: Augustine, 'Sermo ad episcopos', incipit: 'Qui non intrat per ostium in ovile ovium'. Collection Area: Western Manuscripts Languages: Latin Date Range: 10th century Extent: 3 folios.