Subjects
- Phonographs -- 1911-1920.1
- Photographers.1
- Physicians -- Michigan -- Ann Arbor.1
- Physicians.1
- Pianos.1
- Pickets.1
- Pickles.1
- Pinsetters.1
- Playboy bunny.1
- Police -- Michigan.1
- Poliomyelitis vaccine.1
- Polish Americans.1
- Political conventions -- Michigan -- Detroit.1
- Politicians -- Michigan.1
- Port Huron (Mich.) -- Street-railroads.1
- Port Huron (Mich.) -- Streets.1
- Printing industry.1
- Prison facilities -- Michigan -- Jackson.1
- Project Telstar.1
- Publicity.1