| nombre | tipo de medio | fecha | Autor | Idioma | tipo | Ubicación narrativa | Título |
|---|---|---|---|---|---|---|---|
| Judgment Day (short story) | 02/1955 | Sprague de Camp | |||||
| Ka the Appalling | 08/1958 | Sprague de Camp | |||||
| Legions of the Dead | 1978 | Sprague de Camp | |||||
| Living Fossil (short story) | 02/1939 | Sprague de Camp | |||||
| Perpetual Motion (short story) | Sprague de Camp |