1. Harley MS 6509, ff 97v-106r Reference (shelfmark): Harley MS 6509, ff 97v-106r Title: Ambrose, Libellus de dignitate sacerdotali Scope & Content: Ambrose, Libellus de dignitate sacerdotali, incipit: 'Si quis frater oraculum reminiscatur'. Collection Area: Western Manuscripts Languages: Latin Date Range: 10th century Extent: 10 folios.