Ask Lilith
Down to earth sex advice for those who seek wit, compassion and fun answers.
http://asklilith.com/ - Details

Koi's Sex Tutorials
Tutorials available on anal intercourse, cunnilingus, fellatio, shaving, and masturbation.
http://very-koi.net/projects.htm - Details

Sex Glossary
A comprehensive glossary of sexual terms, including slang expressions.
http://www.sexology.org/glossary.htm - Details

How To Have Good Sex
This site provides tips, tricks and ideas on how to have good sex. Very elaborate.
http://www.howtohavegoodsex.com - Details

The Penis, Sex and Masturbation
Men's, women's, and boys' questions about the penis, penis size, sex, masturbation, orgasm, ejaculation, puberty and sexual health.
http://www.the-penis.com/ - Details

All Sex Guide
Information about techniques, adult videos, and sex toys.
http://www.allsexguide.com/ - Details

Adult Sexual Health Terms Advisor
Information on sexual health terms and phrases.
http://www.number-one-adult-sexual-health-terms-advisor.com - Details

Sex Tutor
Includes sexual advice and techniques and related links.
http://www.sextutor.com/ - Details

Sexuality Articles
A variety of in depth help including descriptions of how to perform anal, oral, and the use of positions.
http://www.onlinesexguides.com/ - Details

Valencia Declaration on Sexual Rights
At the XIII World Congress of Sexology in Valencia, Spain, June 1997, this declaration was approved.
http://www.indiana.edu/%7Ekinsey/resources/valencia.html - Details

Female Pumping
Information on clit and labia enlargement, with pumping instructions and pictures.
http://bmeworld.com/clit2/ - Details

Sexual Body Encounter
Ideas for getting your partner all worked up.
http://www.sexbodyencounter.com/ - Details