CTHULHU MYTHOS ENCYCLOPEDIA - OR ENCYCLOPEDIA CTHULHIANA - BEING AN INVESTIGATION INTO THE MYTH-PATTERNS

Oct 6, 2026

CTHULHU MYTHOS ENCYCLOPEDIA compiles and analyzes the recurring myth-patterns of the Cthulhu Mythos, presenting a structured compendium of lore about beings who once ruled the universe and those who have revered or renounced them. It draws on the shared references across the works of H. P. Lovecraft and other authors, while offering notes on related demonology and specific story elements. Front matter includes publication, copyright, acknowledgements, and a foreword describing the work as a perspective on the phenomenon’s development.

LanguageEnglish

CategoryLiterature

FormatPDF

Pages447

Reading Time11 h 28 min

AccessFree to download

Foreword

Purpose and perspective on the Cthulhu Mythos phenomenon

The role of fiction versus serious themes

Origin of the Mythos and its development

Publication details and disclaimers

Acknowledgements

CTHULHU MYTHOS ENCYCLOPEDIA, OR ENCYCLOPEDIA CTHULHIANA, BEING AN INVESTIGATION INTO THE MYTH-PATTERNS OF THE XOTHIC AND COMMORIOM LEGENDCYCLES WITH NOTES ON THE ALHAZREDIC DEMONOLOGY, OR, A COMPENDIUM OF LORE RELATING TO THOSE BEINGS WHO ONCE RULED THE UNIVERSE AND THOSE WHO HAVE REVERED AND RENOUNCED THEM, AS EXPRESSED THROUGH THE MYTHOLOGY OF ALL CULTURES AND EXPLAINED IN THE WORKS OF H. P. LOVECRAFT AND OTHERS IN A MANNER THOUGHT TO BE FICTIONAL BY THE UNINITIATED AND RATIONAL The electronic edition of The Cthulhu Mythos Encyclopedia is published by Arc Dream Publishing. This book is © 2012 Daniel Harms. All rights reserved. All content in this book is copyrighted by the author. Design by Simeón Cogswell. Cover art by Dennis Detwiller, © 2012 . Edited by James Knevitt. COPYRIGHT INFORMATION Rhan-Tegoth: Formula from “The Horror in the Museum,” copyright 1989 by Arkham House. Sixth Sathlatta: From “The Horror at Oakdeene,” copyright 1977 by Brian Lumley. Tsathoggua: From Selected Letters III, copyright 1971 by Arkham House. Vach-Viraj: From The Burrowers Beneath, copyright 1974 by Brian Lumley. Descriptions of specific story elements in this work are for the purposes of reference and commentary. They are not intended in any way as a challenge to the ownership of relevant trademarks, copyrights, or intellectual property. FIRST ELECTRONIC EDITION Published in May 2012 Arc Dream Publishing 12215 Highway 11, Chelsea, Alabama, 35043, USA. [www.arcdream.com](www.arcdream.com) ISBN: 978-0-9853175-2-2 DISCLAIMER The material within this volume is as accurate as current knowledge in the field of medieval metaphysics permits, but inaccuracies may appear nonetheless. Daniel Harms, Arc Dream Publishing, and any distributor or retailer of this volume may not be held accountable for any use or misuse of the material within this volume which results in physical, psychological, or financial harm to its owner, any of his/her family or associates, large sections of the population, the earth, or the cosmos itself, including the higher dimensions. ACKNOWLEDGEMENTS Thanks to Scott David Aniolowski, Shannon Appel, Az0th, Alex Beckers, Guy Bock, Monika Bolino, Nancy A. Collins, Georg Datterl, Paul Dietzel, W. Paul Ganley, Alan Glover, John W. Gonce III, Frank Hummel, Tani Jantsang, Susan Jata (a real miracle-worker), S. T. Joshi, Matthew Leonard, Chick Lewis, Philip Marsh, Dru Myers, David Papayanopulos, Robert M. Price, Philip Rahman (thanks for setting me straight—again), Kevin A. Ross, Paul Rydeen, Christophe Thill, John Tynes, David Watson, Patrick White, everybody on alt.horror.cthulhu, and that nameless librarian at VU who must have wondered what the hell was going on. Special thanks to my family, E. P. Berglund, Catharine Good, Steven “The Evil” Harris, Chris JarochaErnst, Laura Junker, Steven “The Good” Kaye, Gary Libby, Donovan Loucks, Alan T. Pyotreh, Janice Sellers, Steve Shartran, Lynn Willis, and the inter-library loan departments at Pulaski County Library and the John and Alexandra Heard Library at Vanderbilt. Third edition: Thanks to Fabien Amlin, Martin Andersson, E. P. Berglund, Hervé Boudoir, James “Jeb”Bowman, Matt Carpenter, Dan Clore, David Conyers, Patricio Gonzaga, Steven Marc Harris, C. J.“TwoGun” Henderson, Keith “Doc” Herber, Tani Jantsang, Steven Kaye, Bret Kramer, Donovan Loucks, Thomas McGrenery, Dru “the Reverend” Myers, Terje Nordin, Kevin Ross, Troy Sagrillo, Takeoka Hiraku, and Leigh Ann Vrabel for their comments and suggestions. “. . . we demand rigidly defined areas of doubt and uncertainty!” —Douglas Adams FOREWORD This book is not a historical work. Instead, it represents one person’s perspectives on the present state of the phenomenon known as the “Cthulhu Mythos” — a collection of fictional monsters, books, places, people, and other elements that weave together the works of Howard Phillips Lovecraft and other authors through a stream of common references—in all

FAQs

What is the purpose of the Cthulhu Mythos Encyclopedia according to the foreword?

It is not a historical work; it presents one person’s perspective on the current state and development of the Cthulhu Mythos phenomenon.

Does the book treat the Cthulhu Mythos as purely fiction?

No. The foreword argues that nothing is “just” fiction and that these narratives address more serious topics in ways that traditional communication may not.

What kinds of materials are included in the encyclopedia?

It compiles lore tied to Lovecraft and others, includes notes on related demonology, and provides descriptions of specific story elements for reference and commentary.

Oct 6, 2026

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