Stallybrass, W.T.S.
Sweet & Maxwell Limited, 1936
Buku Teks
Oppenheim, L., author
Longmas, Green , 1921
Buku Teks
Heuston, R.F.V.
Sweet & Maxwell, 1977
Buku Teks
Oppenheim, L., author
Longmas, 1967
Buku Teks
Oppenheim, L., author
Longmas, Green , 1920
Buku Teks