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Cunningham's Encyclopedia of Wicca in the Kitchen
Scott Cunningham
1957, V 32, I 2, Runes, Yews, and Magic - Article
Ralph W.V. Elliott
Global Struggles and Social Change
Christopher Chase-Dunn
2061: Odyssey Three
Arthur C. Clarke
The Human Use of Human Beings: Cybernetics and Society
Norbert Wiener