Anand, Mulk Raj
Dobson, 1950
Buku Teks
Gagey, Edmond M., author
Columbia University Press, 1948
Buku Teks
Bujang, Rahmah
Local History and Memoirs Institut of Southeast Asian Studies , 1987
Buku Teks
Green, J. R.
Routledge, 1994
Buku Teks
Jones, Margo, author
McGraw-Hill, 1965
Buku Teks