Whose Brother Is My Sister?

From Author Wars - https://authorwars.com/books/whose-brother-is-my-sister-919280.html

Overview:

Title: Whose Brother Is My Sister?
Author: Gaughan
Year: 1967
Type: Interior Art

Editions/Publications:

Unknown. Worlds of Tomorrow, May 1967 (Unknown, Gaughan, Galaxy Publishing Corp., $0.50, 164 pages, digest, MAGAZINE)