| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1958 |
|
The Mechanical Monarch / Twice Upon a Time | Ace Books | Omnibus | 5 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1958 |
|
The Mechanical Monarch / Twice Upon a Time | Ace Books | Omnibus | 5 |