Subjects
- Pacifism.1
- Parades and processions -- 1911-1920.1
- Parks -- Michigan -- Ann Arbor.1
- Parties.1
- Photographers -- Michigan.1
- Photographers.1
- Photography of mountains.1
- Photography of water.1
- Photography.1
- Physicians -- China.1
- Physicians -- Michigan.1
- Pianos.1
- Polish Americans.1
- Political parades and rallies.1
- Port Huron (Mich.) -- Street-railroads.1
- Port Huron (Mich.) -- Streets.1
- Privies.1
- Quarrying.1
- Railroad employees.1
- Railroad facilities.1