1. Harley MS 5579, ff 89v-91v Reference (shelfmark): Harley MS 5579, ff 89v-91v Title: (ιδʹ). Quod unus sit Christus. PG 28.121-132; CPG 3737. Tit. ῞Οτι εἷς ὁ Χριστὸς. Scope & Content: Quod unus sit Christus Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 1320-1321 Extent: 1 item