History of Wicca "Witches Devil-Worship in London!". He also published a second non-fiction book on the subject, "The Meaning of Witchcraft", in 1959, as well as running the Museum of Magic and Witchcraft on the Isle of Man up until his death in 1964. Gardner referred to members of his tradition as "the Wica", although he called the religion itself "Witchcraft", and never used the term "Wicca" in the sense as it is now known. The ritual format of Wicca shows the influence of late Victorian era occultism (even co-founder Doreen Valiente admitted seeing influence from Aleister Crowley), and there is very little
Wicca oral teachings passed along to their initiates. There are many variations on the core structure, and the religion grows and evolves over time. It is divided into a number of diverse lineages, sects and denominations, referred to as "traditions", each with its own organisational structure and level of centralisation. Due to its decentralized nature, there is some disagreement over what actually constitutes Wicca. Some traditions, collectively referred to as British Traditional Wicca, strictly follow the initiatory lineage of Gardner and consider the term "Wicca" to apply only to similar traditions, but not to newer, eclectic traditions. Wicca is typically duotheistic,