Living schools of religion (religion in the twentieth century)
edited by Vergilius Ferms
Littlefield, Adams, 1961
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Toynbee, Arnold J.
An historian's approach to religion
Oxford University Press, 1956
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Comparative religion / edited by Amarjit Singh Sethi, Reinhard Pummer.
Vikas, 1979
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Norbeck, Edward
Religion in primitive society / Edward Norbeck
Harper & Brothers publishers, 1961
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Beth, Karl
Religion und magie ein religionsgeschichtlisher beitrag zur psychologischen grundlegung der religioser prinzipienlehre Von
B.G. Teubner, 1927
 Buku Teks SO