Letter (Worlds of If, May-June 1972)

First published	May 1972
Type	Essay

Publications (2)

Date	Publication	Publisher	Type	Page
May 1972	Worlds of If, May-June 1972	UPD Publishing Corporation	MAGAZINE	175\|175.1
May 1972	Worlds of If, May-June 1972	Universal-Tandem Publishing Company Ltd.	MAGAZINE	175\|175.1