The fanlistings below are hosted through slytherins.com. The fanlistings here are specific to the Harry Potter series and related subjects only.
Bad Boys: Draco/Lucius/Snape
The Malfoy's
Pureblood: Draco Malfoy
Sinisterly Sexy: Severus Snape
Death Eater: Lucius Malfoy
Faithful: Bellatrix Lestrange
Tom Riddle: (Lord Voldemort as)
Slytherins
Snape & Bellatrix
Malfoy Fanfiction
Malfoy Manor
These are also found at Melissa's fanlistings collective, located here