SF Impulse, #6—1966 (cover)
From Author Wars - https://authorwars.com/books/sf-impulse-6--1966-cover-1486677.html
Editions/Publications:
- Unknown. Art of Imagination: 20th Century Visions of Science Fiction, Horror, and Fantasy (Unknown, unknown, Collectors Press, ISBN-10: 1888054727, $99.95, 768 pages, Hardcover, Omnibus)
- Unknown. Science Fiction of the 20th Century: An Illustrated History (Unknown, unknown, Collectors Press, ISBN-10: 1888054298, $59.95, 256 pages, Hardcover, Non-fiction)