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Subjects
- Astronomical observatories.4
- Astronomy -- Michigan -- Ann Arbor.2
- Astronomy.2
- Astronomy -- Michigan.1
- Astronomy -- United States.1
- College teachers' spouses -- Michigan -- Ann Arbor.1
- Double stars.1
- McMath Solar Telescope.1
- Scientists -- Michigan -- Ann Arbor.1
- Sunspots.1
- Telescopes.1
- Women -- Michigan -- Ann Arbor.1
- Women's resources.1