edited by Sarah Tarlow and Susies West
Routledge, 1999
Buku Teks
Slapper, Gary, author
Cavendish Publishing, 1999
Buku Teks
Mackenzie, Kenneth, author
Penguin Books, 1951
Buku Teks
At The Clarendon Press, 1921
Buku Teks
Kiralfy, A.K.R.
Sewwt & Maxwell Limited, 1960
Buku Teks