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Religion, altered states of consciousness, and social change

By Erika Bourguignon

Journal of consciousness studies

By

Altered states of consciousness

By Charles T. Tart

The quest for fruition through ngoma

By Rijk van Dijk,Ria Reis,Marja Spierenburg

Dream Drugstore

By J. Allan Hobson

Children's dreaming and the development of consciousness

By Foulkes, David

Lucid dreaming

By Celia Elizabeth Green