Jackson, R.M.
Cambridge University Press, 1975
Buku Teks
Jackson, R.M. (Richard Meredith), 1903-1986
Cambridge University Press, 1960
Buku Teks
Maitland, F. W.
Russel & Russell, 1885
Buku Teks
Rozenberg, Joshua
Sceptre, 1995
Buku Teks
Jackson, R.M.
Macmillan, 1959
Buku Teks