De Lacy O'Leary - The Difnar of the Coptic Church
- Crum MSS 11.50
- Einzelstück
- c.1925-1930
Teil vonWalter Ewing Crum Collection
Material relating to The Difnar (Antiphonarium) of the Coptic Church Vol. I and II (London 1928-30) including correspondence, 1927-8.