Subjects
- Labor movement -- United States -- History -- 19th century.1
- Leprosy -- Philippines.1
- Midways.1
- Military hospitals -- Philippines.1
- Military hospitals, American -- Philippines.1
- Nematodes.1
- Petroleum industry and trade -- United States.1
- Plant diseases.1
- Professors.1
- Research.1
- Scientists.1
- Sideshows.1
- Snakes.1
- Soldiers.1
- Spiritualism -- United States -- History -- 19th century.1
- Street-railroads -- Michigan -- Mount Clemens.1
- Sugar cane -- Hawaii.1
- Technological innovations -- United States.1
- Women -- History -- Australia.1
- Women -- History -- Michigan.1