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Ancient Mysteries in Contemporary AmericaIntroduction to the Religious Worlds of Neopagans and New AgersEarly Varieties of Alternative Spirituality in American Religious HistoryThe 1960s Watershed YearsHealing and Techniques of the SelfAll Acts of Love and Pleasure Are My Rituals: Sex, Gender, and the SacredThe Age of Aquarius
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Sarah M. Pike (2006) studied this question.
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