Publications (7)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1974 | Die teuflischen Schädel | Bastei | Chapbook | 3 |
| January 1981 | John Sinclair, #12: Die teuflischen Schädel | Bastei | MAGAZINE | 3 |
| August 1985 | John Sinclair, #12: Die teuflischen Schädel | Bastei | MAGAZINE | 3 |
| July 1993 | Zeit der Monster | Bastei Lübbe | Collection | |
| May 2015 | Die teuflischen Schädel | Bastei Entertainment | Chapbook | |
| February 2018 | Die teuflischen Schädel | Bastei Lübbe | Chapbook | 3 |
| June 2018 | John Sinclair Gespensterkrimi Collection 3 | Bastei Entertainment | Collection |