Ask Trudy 
Personal site of a centenarian (1899-2003). Includes her story, her secrets to long life, favorite jokes and quotes, and links to sites of interest to centenarians and other seniors.
http://www.geocities.com/trudy1899/National Centenarian Awareness Project
Nonprofit organization seeking to contact and honor all those 100 years old and older for their contributions to the past. Interviews, greeting cards and registry.
http://adlercentenarians.com/
South Plains Centenarians
This site contains the life stories of 100 year old residents in nursing facilities on the South Plains of Texas.
http://www.geocities.com/southplains100/
Centenarians
Featuring a new centenarian each month. Stories of people who lived to be 100.
http://www.hcoa.org/centenarians/centenarians.htm
The Okinawa Centenarian Study
Identifies eleven genetic and lifestyle factors responsible for successful, healthy aging.
http://www.okinawaprogram.com/
The Health Report: Centenarian Study
A group of researchers at Harvard Medical School have been trying to find out what it takes to reach the age of 100 or more. An interview with to two of the principal investigators, Drs Margery Silver and Dr Tom Perls.
http://www.abc.net.au/rn/talks/8.30/helthrpt/stories/s19117.htm
A Look at Centenarians
A study on the growing segment of centenarian population by the Boston University School of Medicine. Includes glossary, newsletters, publications and related resources.
http://www.bumc.bu.edu/Departments/PageMain.asp?Page=5749&DepartmentID=361
Supercentenarians
Lists the oldest authenticated centenarians above 112 years old and offers an archive of research articles.
http://www.supercentenarian.com/
Land of Sky Century Club
Recognizes and honors individuals who are at least 100 years old in Buncombe, Henderson, Madison and Transylvania Counties of North Carolina.
http://www.landofsky.org/aaa/programs/centuryclub.html
The Georgia Centenarian Study
University of Georgia Gerontology Center research on the conditions and needs of those who reach the age of 100 and beyond.
http://www.geron.uga.edu/research/centenarianstudy.php
Gerontology Research Group Centenarian Study
Overview of scientific research throughout the world. Includes a photo gallery and comprehensive tables of known supercentenarians.
http://www.grg.org/calment.html
New England Centenarian Study
The NECS is the largest genetic study of centenarians in the world with approximately 1,000 subjects enrolled including centenarians, their siblings and children and control subjects.
http://www.bumc.bu.edu/Departments/HomeMain.asp?DepartmentID=361
