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Subjects
- Agriculture -- United States.2
- African Americans -- Michigan.1
- African Americans.1
- American freeman.1
- Antislavery movements -- United States.1
- Depressions -- 1836-1837 -- United States.1
- Laboratories.1
- Land use -- Michigan.1
- Medicine -- Michigan.1
- Motion picture theatres -- Virginia -- Norfolk.1
- Physicians -- Michigan.1
- Scientists -- United States.1
- Women -- Suffrage -- United States.1