Letter (Amazing Stories, March 1942): A Warning!

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Overview:

Title: Letter (Amazing Stories, March 1942): A Warning!
Author: Paul Carter
Year: 1942
Type: Essays

Editions/Publications:

Unknown. Amazing Stories, March 1942 (Unknown, Paul Carter, Ziff-Davis Publishing Company, $0.25, 246 pages, pulp, MAGAZINE)
2016 . Science Fiction Classics #13 (2016, Paul Carter, Pulp Tales Press, ISBN-10: 9780692639726, $14.95, 244 pages, Trade Paperback, Anthology)