| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1974 |
|
Perry Rhodan #50: Attack from the Unseen | Ace Books | MAGAZINE | 136 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1974 |
|
Perry Rhodan #50: Attack from the Unseen | Ace Books | MAGAZINE | 136 |