Moser, Charles A.
Dimitrov of Bulgaria : a political biography of Dr. Georgi M. Dimitrov
Caroline House, 1979
 Buku Teks
Junji Banno
Establishment of the Japanese constitutional system
Routledge, 1995
 Buku Teks SO
Pylee, M.V.
Constitutional government in India
Asia Publishing House, 1960
 Buku Teks
Wilson, Woodrow
Constitutional government in the United States / Woodrow Wilson
Columbia University, [date of publication not identified]
 Buku Teks
Nasution, Adnan Buyung, 1934-
The aspiration for constitutional government in Indonesia : a socio-legal study of the Indonesian Konstituante 1956-1959
Pustaka Sinar Harapan, 1992
 Buku Teks SO