Submicroscopic
From Author Wars - https://authorwars.com/books/submicroscopic-829439.html
Editions/Publications:
- Unknown. Amazing Stories, August 1931 (Unknown, Leo Morey, Radio-Science Publications, Inc., $0.25, 100 pages, bedsheet, MAGAZINE)
From Author Wars - https://authorwars.com/books/submicroscopic-829439.html