"Shambleau" Resources:
| Character Study of Northwest Smith |
| Northwest Smith and Han Solo, Wikipedia |
| Shambleau, comic book illustrated (in French) |
| Shambleau Project |
| Lifeforce: The Movie |
"Perseus and Medusa" Resources:
| Medusa in Myth and Literary History |
| The Greek Creature Medusa in Myth and Art |
| The Myth of Perseus and Medusa |
| Clash of the Titans Movie |
| Sylvia Plath's poem, "Medusa" |