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1Published 1987“...World spirituality ;...”
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2Published 1989“...World spirituality ;...”
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3Published 1986“...World spirituality ;...”
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5
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6Published 1999“...World spirituality ;...”
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7Published 1985“...Vol. 16 of World spirituality...”
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8Published 1986“...Vol. 13 of World spirituality : an encyclopedic history of the religious quest...”
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