Topic
- Parades12
- Signs and signboards12
- Hospitals8
- Hurley Hospital (Flint, Michigan)8
- Sleep8
- Strikes and lockouts, Sympathetic8
- Textile industry8
- Textile workers8
- Universities & colleges8
- University of Michigan8
- Automobile industry strikes6
- Pickets6
- Streets6
- Business districts4
- Meetings4
- Factories3
- Automobile industry unions2
- Gas masks2
- Labor unions2
- Mayors2