Now available for download here and on my new Bible translation page: Plumley Coptic Grammar- by John Martin Plumley; An Introductory Coptic Grammar (Sahidic)
1948, PDF, 850 KB. London Home & van Thal 1948;
Fotocopied at the Hebrew University Library, Jerusalem, 1988
Transcribed by George Somsel and Paterson Brown; revised IV.10
Download Plumley Coptic Grammar.