Subjects
- Police -- Michigan.1
- Poliomyelitis vaccine.1
- Political conventions -- Michigan -- Detroit.1
- Politicians -- Michigan.1
- Printing industry.1
- Prison facilities -- Michigan -- Jackson.1
- Project Telstar.1
- Publicity.1
- Racquets (Game)1
- Radar.1
- Radioisotopes.1
- Refugees -- Michigan.1
- Retirement.1
- Riots -- Michigan -- Detroit -- History -- 20th century.1
- Riots.1
- Rockets.1
- Safety.1
- Sailboats.1
- Sailing.1
- Salt mining -- Michigan.1