| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1968 |
|
The Proxima Project / Target: Terra | Ace Books | Omnibus | 5|4 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1968 |
|
The Proxima Project / Target: Terra | Ace Books | Omnibus | 5|4 |