The original artwork is signed with the artist's F in a box.
The piece of art that was published in "21st Century Foss" features a similar, yet different, motif
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1975 |
|
A Case of Conscience | Arrow Books | Novel | |
| 1979 |
|
De laatste koning | Meulenhoff | Novel | |
| 1979 |
|
A Case of Conscience | Arrow Books | Novel | |
| 1984 |
|
A Case of Conscience | Arrow Books | Novel | |
| 1990 |
|
Um Caso de Consciência | Europress | Novel |