Lambdin, Thomas O.(1958).“The Bivalence of Coptic Eta and Related Problems in the Vocalization of Egyptian”.Journal of Near Eastern Studies17(3): 177–193.doi:10.1086/371466.
Thomas O. Lambdin.(1971).Introduction to Biblical Hebrew.Darton,Longman and Todd Ltd.ISBN978-0-232-51369-1
Thomas O. Lambdin(1978).Introduction to Classical Ethiopic.Harvard Semitic Studies 24.Missoula, Montana:Scholars Press.ISBN0-89130-263-8
Introduction to Sahidic Coptic.Macon:Mercer University Press.(1983)