Letter (Astounding, July 1947): The Final Test of a Theory Is:
From Author Wars - https://authorwars.com/books/letter-astounding-july-1947-the-final-test-of-a-theory-is-2098108.html
Overview:
- Title: Letter (Astounding, July 1947): The Final Test of a Theory Is:
- Author: George O. Smith
- Year: 1947
- Type: Essays
Editions/Publications:
- Unknown. Astounding Science Fiction, July 1947 (Unknown, George O. Smith, Street & Smith Publications, Inc., $0.25, 164 pages, digest, MAGAZINE)