The Difnar (Antiphonarium) of the Coptic Church (first Four Months) from the Manuscript in the John Rylands Library, Manchester, with Fragments of a Difnar Recently Discovered at the Der Abu Makar in the Wadi N-Natrun - De Lacy O'Leary (ed) (Luzac & Company, 1926)
Keywords: Liturgy (3GddGghJ GdWbSj (B- (3GddjJhQLjGs