The 65 Years and Over Population: 2000 (U.S. Census Bureau)

Age 2000 (U.S. Census Bureau)

Centenarians in the United States (1990 Census Data) (U.S. Census Bureau)

Centenarian Spirit in Wisconsin (Wisconsin Department of Health and Family Services)

The Living to 100 Life Expectancy Calculator

A Look at Centenarians (The New England Centenarian Study)

National Centenarians Awareness Project

The Georgia Centenarian Study (University of Georgia)

Centenarians - 100 (Huffington Center on Aging, Baylor University)

Noted Nonagerians and Centenarians (Gerontology Research Group)

Polish Centenarians Program (Poland) (International Institute on Cell and Molecular Biology)

The Force of Mortality at Ages 80 to 120 (Denmark) Odense University Press) [electronic version]

Okinawa Centenarian Study

Exceptional Longevity: From Prehistory to the Present (Denmark) (Odense University Press) [electronic version]

The Earliest Centenarians: A Statistical Analysis (Denmark) (Max Planck Institute for Demographic Research)

Strikingly Higher Frequency in Centenarians and Twins of MtDNA Mutation Causing Remodeling of Replication Origin in Leukocytes (January 21, 2003) (Proceedings of the National Academy of Science)