Books:
* "The Satanic Bible and the Occult Underground" (1978): This book delves into the origins and evolution of Satanism, focusing on the rise of Anton LaVey's Church of Satan.
* "The Occult Underground: A History of American Witchcraft, Satanism, and Occultism" (1982): This work examines the history and evolution of occultism in the United States, covering a wide range of groups and movements.
* "The Complete Book of Occultism: History, Rituals, Spells, and Magical Formulas" (2001): This book presents a comprehensive overview of various occult traditions and practices, including magic, divination, and witchcraft.
* "The Occult Underground II: The Occult Roots of the New Age Movement" (2008): This book explores the connections between occultism and the New Age movement, tracing their historical and philosophical influences.
* "A Thousand Years of Satanism" (2014): This book examines the historical and cultural context of Satanism, exploring its roots and the various forms it has taken over the centuries.
Articles and Essays:
DeMeo has also published numerous articles and essays in academic journals and online publications, focusing on topics related to occultism, history, and psychology.
Other notable contributions:
* Founder of the "Occult Underground" website: This website serves as a resource for researchers and students interested in exploring the history and practices of occultism.
* Active speaker and lecturer: DeMeo has given presentations and lectures on occultism and related topics at various conferences and institutions.
It's important to note that DeMeo's work has been controversial and has attracted criticism from some within the occult community. However, his extensive research and writing have contributed significantly to the understanding of occultism and its history.