Program book for the 20th Worldcon in Chicago

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Overview:

Title: Program book for the 20th Worldcon in Chicago
Author: Ed Emshwiller
Year: 1962
Type: Interior Art

Editions/Publications:

Unknown. Emshwiller: Infinity x Two (Unknown, Ed Emshwiller, Nonstop Press, ISBN-10: 1933065087, $39.95, 173 pages, Hardcover, Non-fiction)