Olmstead, Clifton E.
History of religion in the United State
Prentice-Hall, 1960
 Buku Teks SO
Brown, L. Carl
Religion and state: the muslim approach to politics
Columbia University Press, 2000
 Buku Teks SO
The state, religion, and ethnic politic : Afghanistan, Iran, and Pakistan
edited by Ali Banuazizi and Myron Weiner
Syracuse University Press, 1986
 Buku Teks SO
Religion in early Australia : the problem of church and state
edited by Jean Woolmington
Cassell Australia, 1976
 Buku Teks SO
Gideon Sapir
State and religion in Israel: a philosophical-legal inquiry
Cambridge University Press, 2018
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