- HHS Office of Population Affairs (.gov) www.opa.hhs.gov
- National Organization for Human Serviceswww.nationalhumanservices.org
- Human Services Skills Organisationwww.hsso.org.au
- National Council on Disability (.gov)www.ncd.gov
- HHS.govwww.hhs.gov
- New Hampshire Department of Health and Human Services (.gov)www.dhhs.nh.gov
