The Program Book: 20th World Science Fiction Convention
From Author Wars - https://authorwars.com/books/the-program-book-20th-world-science-fiction-convention-1654374.html
Overview:
Editions/Publications:
- 1962 . The Program Book: 20th World Science Fiction Convention (1962, Ed Emsh, Chicon III, 68 pages, Pamphlet, Non-fiction)