Michigan Twins Association
- Convention information and links to other twin sites.
- http://community-2.webtv.net/MichTwins/MichiganTwins0/

The Triplet Connection: Annual Convention
- Annual convention for triplets and families with triplets, organized by the Triplet Connection.
- http://www.tripletconnection.org/convention.htm

Twinstuff.com - Twin Events
- Twinstuff.com's list of twin events all over the world.
- http://www.twinstuff.com/twineven.htm

Twins Days - the Unofficial Homepage
- Information on Twins Days, as well as links to Twins Days photos, and a FAQs.
- http://www.visi.com/~johnr/twins.html