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Subjects
- Engineers -- Michigan -- Ann Arbor.8
- Engineering.3
- Immigrants -- United States.2
- Rockets.2
- Spanish-American War, 1898.2
- Afro-Americans -- Michigan.1
- Astronautics -- History.1
- Boats.1
- Bridges -- Michigan.1
- Bridges.1
- Building materials.1
- Buildings -- Michigan -- Detroit.1
- Camping.1
- Canals.1
- Carpenter shops.1
- Classrooms -- Michigan -- Ann Arbor.1
- Computer engineering.1
- Computers.1
- Concrete construction.1
- Conservation of natural resources -- Michigan.1