Stephen, Leslie, 1832-1904
University Paperbacks, 1963
Buku Teks
Cunliffe, John William
Books for Libraries Press, 1971
Buku Teks
Bush, Douglas
Clarendon Press, 1962
Buku Teks SO
edited by I.R. Willison
Cambridge University Press, 1972
Buku Referensi
edited by George Watson
Cambridge University Press, 1971
Buku Referensi