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Subjects
- Anatomy--History.[remove]1
- Astrology--History.1
- Astronomy--History.1
- Botany--History.1
- Cholera.[remove]1
- Dentistry--History.1
- Epidemics.1
- Geography--History.1
- Influenza.1
- Medicine--History.1
- Mental health.1
- Meteor showers.1
- Paleontology--History.1
- Physics--History.1
- Physiology--History.1
- Solar system.1
- Tuberculosis.1