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- Absorption spectra1
- Alkalies1
- Astronomy2
- Barium--Spectra1
- Blood--Analysis1
- Chemistry1
- College presidents1
- Deep space--Andromeda Galaxy1
- Hydrogen--Spectra1
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- Light--Study and teaching1
- Morton, Henry, 1836-19021
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- Poisons1
- Poisons--Analysis1
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