Etymology of Wicca published; the earliest was Paul Huson's "Mastering Witchcraft" (1970), which made no reference to "Wicca". This was followed by Raymond Buckland's "The Tree: The Complete Book of Saxon Witchcraft", in which he propagated his newly developed tradition of Seax-Wica; utilising "Wica" as the name of the tradition, he also referenced "the Wicca" as the name of the religion as a whole. Contrastingly, during the 1970s the term "Wicca" was rejected by feminist Pagan Witchcraft groups in the United States, in particular the Dianic tradition; the term does not appear in the early works of Zsuzsanna Budapest and Starhawk, although the
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,