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Subjects
- Agriculture.1
- Airplanes.1
- Barbering.1
- Birds.1
- Botany.2
- Churches -- Michigan -- Ann Arbor.1
- Dwellings -- Michigan -- Ann Arbor.2
- Early Modern English Dictionary.1
- Earthquakes.1
- Ecology.1
- Fishing -- Michigan.1
- Gardening.1
- Geology.1
- German Americans -- Michigan.1
- Herpetology.1
- Inventors.1
- Labor movement -- United States -- History -- 19th century.1
- Laboratories.2
- Loyalty oaths.1
- Mathematics.1