Tunku Halim
Tunku Halim, 1998
Buku Teks
Rahman, Tunku Abdul
Heineman Educational Books, 1978
Buku Teks
Tunku Abdul Rahman Putra Al-Haj
Pelanduk Publications (M) Sdn. Bhd., 1984
Buku Teks
edited by Prabhakaran S. Nair
National Archives of Malaysia, 2011
Buku Referensi
Tunku Shamsul Bahrin
Southeast Asian Studies Program, 1988
Buku Teks