Robert Bruce Acheson
| Year | Publication | Title | |
|---|---|---|---|
|
October 1970 | The Treasure of Atlantis | The Treasure of Atlantis |
|
September 1971 | The Treasure of Atlantis | The Treasure of Atlantis |
|
1972 | Marchers of Valhalla | Marchers of Valhalla |
| Year | Publication | Title |
|---|---|---|
| 1970 | Singers in the Shadows | Singers in the Shadows |
| September 1971 | The Treasure of Atlantis | The Treasure of Atlantis |
| 1972 | Marchers of Valhalla | Marchers of Valhalla |