| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1967 |
|
The Key to Irunium / The Wandering Tellurian | Ace Books | Omnibus | 5|2 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1967 |
|
The Key to Irunium / The Wandering Tellurian | Ace Books | Omnibus | 5|2 |