- National Council of State Boards of Nursingwww.ncsbn.org
- License Verification / Request online verification for endorsement to practice in another state www.nursys.com
- International Council of Nurseswww.icn.ch
- U.S. Department of Laborwww.dol.gov
- U.S. Bureau of Labor Statisticswww.bls.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- American Staffing Associationwww.americanstaffing.net
