- American Federation for Aging Researchwww.infoaging.org
- American Public Health Associationwww.apha.org
- Developmental Disabilities Resource Centerwww.ddrcco.com
- FamiliesUSA www.familiesusa.org
- Mayo Clinicwww.mayoclinic.com
- Home Care Association of Americawww.hcaoa.org
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov