- Public Employee Retirement Administration Commission
- Retired State, County and Municipal Employees Association of Massachusetts
- Mass. Association of Contributory Retirement Systems
- National Conference on Public Employee Retirement Systems
- Social Security Administration
- U.S. Senate
- U.S. House of Representatives
- The General Laws of Massachusetts
- Massachusetts Legislature
- Commonwealth of Massachusetts
- Coalition to Preserve Retirement Security
- The Other 105 Retirement Systems