O Magnum Mysterium

From Author Wars - https://authorwars.com/books/o-magnum-mysterium-1398245.html

Overview:

Title: O Magnum Mysterium
Author: David Hopewell
Year: 2004
Type: Short Fiction

Editions/Publications:

Unknown. Lovecraft's Weird Mysteriesm, #8 (Unknown, David Hopewell, Arkham Press, $5.00, 48 pages, Pamphlet, FANZINE)