- American Association of Sexuality Educators, Counselors and Therapists (AASECT) www.aasect.org
- Archive for Sexology—English-language site at the Humboldt University of Berlin www.tinyurl.com/lmv4ft5
- Guttmacher Institute www.guttmacher.org
- International Academy of Sex Research (IASR) www.iasr.org
- Kinsey Institute www.kinseyinstitute.org
- Sex Information and Education Council of Canada (SIECCAN) www.sieccan.org
- Sexuality Information and Education Council of the United States (SIECUS) www.siecus.org
- Society for Sex Therapy and Research (SSTAR) www.sstarnet.org
- Society for the Scientific Study of Sexuality (SSSS) www.sexscience.org
- World Association for Sexual Health (WAS) www.worldsexology.org