Branca, Patricia
Croom Helm, 1978
Buku Teks
Freymond, Jacques
Frederick A. Preager, 1964
Buku Teks
Thomson, David
Longmans, 1962, 1973
Buku Teks
Milton-Edwards, Beverly
Routledge, 2005
Buku Teks
edited with an introduction by Richard M. Dalfiume
Quadrangle Books, 1969
Buku Teks