| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1971 |
|
Beyond Capella / The Electric Sword-Swallowers | Ace Books | Omnibus | 5 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1971 |
|
Beyond Capella / The Electric Sword-Swallowers | Ace Books | Omnibus | 5 |