Worlds of If, May-June 1972
From Author Wars - https://authorwars.com/books/worlds-of-if-may-june-1972-882480.html
Editions/Publications:
- Unknown. Worlds of If, May-June 1972 [UK] (Unknown, Gaughan, Universal-Tandem Publishing Company Ltd., £0.25, 180 pages, digest, MAGAZINE)
- Unknown. Worlds of If, May-June 1972 (Unknown, Gaughan, UPD Publishing Corporation, $0.75, 180 pages, digest, MAGAZINE)