| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1981 |
|
A Spadeful of Spacetime | Ace Books | Anthology | 1 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1981 |
|
A Spadeful of Spacetime | Ace Books | Anthology | 1 |