- Probation officer, parole officerHy Hammer
- General test practice for 101 U.S. jobsHy Hammer
- Civil service administrative testsHy Hammer
- State trooperHy Hammer, Edward Scheinkman
- Civil service handbookHy Hammer
- Federal civil service jobsHy Hammer
- Arco Traffic Enforcement AgentHy Hammer
- Arco Building Custodian/Building Superintendent/Custodian EngineerHy Hammer
- Auto mechanicHy Hammer
- Police officerHugh E. O'Neill, Hy Hammer et al.
- Mail handler, U.S. Postal ServiceHy Hammer
- Maintenance WorkerHy Hammer
