Subjects
- Machine shops.1
- Malaria.1
- Mosquitoes -- Control.1
- Mosquitoes.1
- Pacifism.1
- Pacifists.1
- Peace conferences.1
- Poetry.1
- Poultry -- Breeding.1
- Railroads -- Employees -- Labor unions.1
- Railroads -- United States.1
- Slogans.1
- Social reformers -- United States.1
- Sociology.1
- Strikes and lockouts -- Railroads.1
- Teaching methods.1
- Television in education.1
- Typewriters.1
- Water-supply.1
- Women -- Organizations.1