| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| January 2010 |
|
The World Beyond: Being a Sequel to S. Fowler Wright's Classic Science Fiction Novel, "The World Below" | Borgo Press / Wildside Press | Novel | 7 |
| April 2013 |
|
The World Beyond: Being a Sequel to S. Fowler Wright's Classic Science Fiction Novel, "The World Below" | Borgo Press / Wildside Press | Novel | 9 |