Ask Trudy  
   Personal homepage of a centenarian. 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

Centenarians: Lives of a Century  
   Ten American centenarians, all born before 1900, look back on a century that spanned Depression, world wars, and the advent of airplanes and automobiles.
   http://www.csmonitor.com/atcsmonitor/specials/centenarians/

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/

Centenarians: The Bonus Years  
   Secrets of aging, discusses their amazing personal histories and looks at the difficulties of the very old in today's society.
   http://www.healthpress.com/cent1.htm

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