List of words occuring frequently in the Coptic New Testament (Sahadic dialect) / compiled by Bruce M. Metzger. - Leiden : Brill, 1961
LA SCALA COPTE 44 DE LA BIBLIOTHEQUE NATIONALE DE PARIS
M. HENRI MUNIER
The Coptic morning service for the Lord's day / transl. into English by John, Marquis of Bute
MacCOULL, L. S. B., Child Donations and Child Saints in Coptic Egypt , East EuropeanQuarterly, 13:4 (1979:Winter) p.409
MINA, TOGO, Le papyrus gnostique du Musée Copte , Vigiliae Christianae, 2 (1948) p.129
MACCOULL, LESLIE S. B., The Coptic Cambyses Narrative Reconsidered , Greek, Roman and Byzantine Studies, 23:2 (1982:Summer) p.185
Fourteen Coptic Bone Plaques
Hannah E. McAllister
http://copticforegyptians.blogspot.nl/