This is the gold standard for academic and historical research.
This is the most common modern reference for practitioners and those interested in the "magical" side of the craft. Modern witchcraft, folklore, and practical magic. Encyclopedia of Witchcraft
Widely available at HarperCollins and major retailers. This is the gold standard for academic and
Celebratory and inclusive. It explores "mythic witches" and "sacred goddesses" rather than just the history of persecution. Encyclopedia of Witchcraft
Encyclopedia of Witchcraft: The Western Tradition [4 volumes]