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Subject
- Civil defense22
- Public health5
- Finance3
- Civilian defense2
- Coast defenses2
- Fortification2
- Medical care2
- Statistics, Medical2
- United States2
- Accounting1
- Acquisition of property1
- Admission1
- Aeronautical laboratories1
- Air raid shelters1
- Appointments and retirements1
- Appropriations and expenditures1
- Armed Forces1
- Auditing1
- Binoculars1
- Design and construction1