Slaves of the Unknown
From Author Wars - https://authorwars.com/books/slaves-of-the-unknown-2218648.html
Overview:
- Title: Slaves of the Unknown
- Author: uncredited
- Year: 1942
- Type: Interior Art
Editions/Publications:
- Unknown. Astonishing Stories (Canadian), May 1942 (Unknown, uncredited, Popular Publications, Inc.; Toronto, Canada, C$0.10, 100 pages, pulp, MAGAZINE)