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Subjects
- Research.[remove]2
- Women -- Michigan -- Ann Arbor.2
- Agriculture.1
- Astronomical observatories.1
- Birds.1
- Coal mining.1
- Engineering.1
- Engineers -- Michigan -- Ann Arbor.1
- Herpetology.1
- Industry and education.1
- Inventors.1
- Labor movement -- United States -- History -- 19th century.1
- Laboratories.1
- Mining.1
- Nematodes.1
- Plant diseases.1
- Professors.1
- Scientists.1
- Ships.1
- Snakes.1