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/

Canadian Gerontological Nursing Association
   Promotes high standards of gerontological nursing practice in Canada. History, membership and benefit information.
   http://www.cgna.net/

National Conference of Gerontological Nurse Practitioners
   Organization for advanced practice nurses interested in the health care of older adults. Membership, committee and conference information.
   http://www.ncgnp.org/

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/