Morgan, Gwenda
UCL Press, 1998
Buku Teks
Erikson, Kai T.
New York, N.Y. John Wiley & Sons 1966,
Buku Teks
Elton, Geoffrey Rudolph
Cambridge University Press, 1972
Buku Teks
Dickens, Charles, 1812-1870
Papercutz, 2012
Buku Teks
Dickens, Charles, 1812-1870
Percy, 1949
Buku Teks