Theory Leads to Fact!
| First published | October 1950 |
|---|---|
| Type | Essay |
Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1950 | Amazing Stories, October 1950 | Ziff-Davis Publishing Company | MAGAZINE | 67 |
| 1951 | Amazing Stories Quarterly (Reissue), Spring 1951 | Ziff-Davis | MAGAZINE | 67 |33 |
| February 1951 | Amazing Stories, #5 | Thorpe & Porter | MAGAZINE | 67 |