Ages of consent in North America (This article appears to be accurate and up-to-date, but Wikipedia articles can change unpredictably.)
http://en.wikipedia.org/wiki/Ages_of_consent_in_North_America
Alternatives to Marriage Project
http://www.unmarried.org
American Psychological Association—Aging and human sexuality resource guide
http://www.apa.org/pi/aging/sexuality.html
Divorcenet
http://www.divorcenet.com
Gay Teens Resources
http://www.gayteens.org
Janssen, D. F. Growing Up Sexually: A World Atlas
http://www2.rz.huberlin.de/sexology/gesund/archiv/gus/indexatlas.htm
National Campaign to Prevent Teen and Unplanned Pregnancy
http://www.thenationalcampaign.org
National Healthy Marriage Resource Center
http://www.healthymarriageinfo.org
North American Menopause Society
http://www.menopause.org
Parents Without Partners
http://www.parentswithoutpartners.org
Sex, Etc.—A Web site for teens by teens
http://www.sexetc.org
Sexinfo (University of California, Santa Barbara)
http://www.soc.ucsb.edu/sexinfo/
Silver Ring Thing (virginity pledge program)
http://www.silverringthing.com
Study of Women’s Health Across the Nation
http://www.edc.gsph.pitt.edu/swan/public/index.html
Teenwire (Planned Parenthood site)
http://www.teenwire.com
Worldwide ages of consent
http://www.avert.org/aofconsent.htm
