Language for Time Travelers

From Author Wars - https://authorwars.com/books/language-for-time-travelers-919319.html

Overview:

Title: Language for Time Travelers
Author: Dold
Year: 1938
Type: Interior Art

Editions/Publications:

Unknown. Astounding Science-Fiction, July 1938 (Unknown, Dold, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)