Defense Line [4]

From Author Wars - https://authorwars.com/books/defense-line-4-923869.html

Overview:

Title: Defense Line [4]
Author: F. Kramer
Year: 1941
Type: Interior Art

Editions/Publications:

Unknown. Astounding Science-Fiction, December 1941 (Unknown, F. Kramer, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)