The Gerontological Society of America - Multidisciplinary society for professionals in the field of aging. Focuses on promoting the scientific study of aging. - http://www.geron.org/
Canadian Gerontological Nursing Association - Promotes high standards of gerontological nursing practice in Canada. History, membership and benefit information. - http://www.cgna.net/
American Geriatrics Society - The AGS is one of the largest professional organization of health care providers. Includes membership, educational and publication information. - http://www.americangeriatrics.org/