External Links
Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| October 1954 | Galaxy Science Fiction, October 1954 | Galaxy Publishing Corporation | MAGAZINE | 100 |
| March 1955 | Galaxy Science Fiction, No. 24 | Thorpe & Porter | MAGAZINE | 54 |
| 1964 | The Last Leap and Other Stories of the Super-Mind | Corgi | Collection | 143 |