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The Mightiest Machine

M. N. & John W. Campbell, Jr.

First published February 1948
Type Review

Publications (2)

Date Publication Publisher Type Page
February 1948 Fantasy Book, Vol 1, No. 2 Fantasy Publishing Company, Inc. MAGAZINE 41|41.2
February 1948 Fantasy Book, Vol 1, No. 2 (deluxe edition) Fantasy Publishing Company, Inc. MAGAZINE 41|41.2