Letter (Astounding, July 1939): Consipracy!

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Overview:

Title: Letter (Astounding, July 1939): Consipracy!
Author: Isaac Asimov
Year: 1939
Type: Essays
Series: Letters: Isaac Asimov

Variant Titles:

1939. Letter (Astounding, July 1939)

Editions/Publications:

Unknown. Astounding Science-Fiction, July 1939 (Unknown, Isaac Asimov, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)