Rule of Math [4]

From Author Wars - https://authorwars.com/books/rule-of-math-4-2002466.html

Overview:

Title: Rule of Math [4]
Author: Williamson
Year: 1942
Type: Interior Art

Editions/Publications:

Unknown. Thrilling Wonder Stories, August 1942 (Unknown, Williamson, $0.15, 132 pages, pulp, MAGAZINE)