| The Columbia Encyclopedia, Sixth Edition. 2001-05. |
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| Religion |
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| Bab |
| Baha Ullah |
| Blavatsky, Helena Petrovna |
| Calef, Robert |
| Cayce, Edgar |
| Davis, Andrew Jackson |
| Dee, John |
| Fox, Margaret |
| Fox sisters |
| Gurdjieff, George Ivanovich |
| Home, Daniel Dunglas |
| Hubbard, L. Ron |
| Krishnamurti, Jiddu |
| Moon, Sun Myung |
| Nostradamus |
| Olcott, Henry Steel |
| Steiner, Rudolf |
| Toland, John |
| Valentinus |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2002 Columbia University Press |
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