Arkham House vs. Mycroft & Moran

From Author Wars - https://authorwars.com/books/arkham-house-vs-mycroft--moran-973117.html

Overview:

Title: Arkham House vs. Mycroft & Moran
Author: uncredited
Year: 1968
Type: Essays

Editions/Publications:

Unknown. The Arkham Collector, Summer 1968 (Unknown, uncredited, Arkham House, $0.50, 36 pages, digest, MAGAZINE)
Unknown. The Arkham Collector, Vol. 1 (Unknown, uncredited, Arkham House, $10.00, 348 pages, Hardcover, Anthology)