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Subjects
- Anatomy--History.1
- Astrology--History.1
- Astronomy--History.1
- Botany--History.1
- Cholera.1
- Deeds.1
- Dentistry--History.1
- Education.1
- Epidemics.1
- Family life--Michigan.1
- Geography--History.1
- Influenza.1
- Logging--Michigan.1
- Logging--Oregon.1
- Medicine--History.1
- Mental health.1
- Meteor showers.1
- Paleontology--History.1
- Physics--History.1
- Physiology--History.1