Columbia subject headings:
Religions.
Harvard subject headings:
Andreev, Daniil Leonidovich, 1906-1959--Views on religion.
Gumilev, L. N. (Lev Nikolaevich), 1912-1992--Views on religion.
Religion and civilization.
Religion--Philosophy
Religions
Solovyov, Vladimir Sergeyevich, 1853-1900--Views on religion.
Princeton subject headings:
Ethnohistory.
Ethnology--Methodology.
Ethnology--Religious aspects.