books.google.co.uk - Provides a cross-cultural overview of shamanism. Includes short essays on general themes as well as entries that focus on cultural groups and practices found in various geographical regions, both historically and presently....http://books.google.co.uk/books/about/An_Encyclopedia_of_Shamanism.html?id=HltJMMq1_60C&utm_source=gb-gplus-shareAn Encyclopedia of Shamanism
