Guide to BDSM orginations, clubs, etc. in the United States

Two sligtly different checklist which can help guide you in your erotic activities. I definetely recommend them for new subs to get a sense of where your interests lie. They are also useful in new relationships.
BDSM Play Checklist
Submissive BDSM Play Partner Check List

Sub/slave contracts which can be used as is or modified for your own use.
Sample Contract
The Slave Contract
Sample Slavery Contract

The Gift A moving metaphor of submission.

Nine Levels of Submission

Facts on S/M