1970—Heicon '70, Heidelberg
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Overview:
- Title: 1970—Heicon '70, Heidelberg
- Author: Anthony R. Lewis
- Year: 1989
- Type: Essays
- Series: The Worldcon from the Beginning
Editions/Publications:
- 1989 . The 47th World Science Fiction Convention: Noreascon Three (1989, Anthony R. Lewis, Massachusetts Convention Fandom Inc., 192 pages, Trade Paperback, Non-fiction)