Letter (Astounding, November 1938): Artists and Authors.
From Author Wars - https://authorwars.com/books/letter-astounding-november-1938-artists-and-authors-3394523.html
Overview:
Editions/Publications:
- Unknown. Astounding Science-Fiction, November 1938 (Unknown, J. Mason, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)