Russian Woman and Sex

A one-page treatise on the attitudes of Russian women about sex.
http://www.kagi.com/vit/russian-women/default.html

Sexual Synonyms

A thesaurus of sexual terms and their street slang equivalents.
http://male101.com/synonyms.html

The Sexuality Database

A database of articles about all aspects of sexuality.
http://www.sexualitydata.com/

All About My Vagina

An extensive site covering all aspects of the female genitalia.
http://www.myvag.net/

All About My Penis

The story of one man's penis and testicles, relating his experience of penis size and health, masturbation, sex, making love, with information on male sexual health, orgasm, and ejaculation.
http://www.my-penis.org/

e-Vaginal.com

Information on the anatomy, histology, physiology and pathology of the vagina. Part of the ALtruis Biomedical Network.
http://www.e-vaginal.com

Vagina Vérité

Articles and discussions exploring a variety of vagina and vulva topics.
http://www.vaginaverite.com/

History of Sexuality

A time line of sexuality information from pre-history to the recent sexual revolution. Includes a message board for topic discussions.
http://www.historyofsexuality.com

Mimi.hu - Sexuality Index

Sexuality encyclopedia that quotes popular online resources.
http://en.mimi.hu/sexuality/index_sexuality.html

Encyclopedia of Sex

Describes in detail words pertaining to sex and sexual content. Site users can view and also submit words.
http://www.encyclopedia-of-sex.com