Subjects
- Politics and government -- 1929-1938.1
- Popular music -- United States.1
- Postal service.1
- Printing industry.1
- Prison facilities -- Michigan -- Jackson.1
- Prohibition -- Michigan.1
- Project Telstar.1
- Publicity.1
- Racquets (Game)1
- Radar.1
- Radioisotopes.1
- Recreation.1
- Refugees -- Michigan.1
- Restaurants -- Michigan -- Marshall.1
- Retirement.1
- Riots -- Michigan -- Detroit -- History -- 20th century.1
- Riots.1
- Roads -- Michigan -- Upper Peninsula.1
- Rockets.1
- Rodeos -- Michigan -- Saline.1