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- Adams, Roger, 1889-19711
- American Chemical Society1
- Booth, James Curtis, 1810-18881
- Breweries1
- Cachets (Philately)1
- Chemicals1
- Chemistry1
- Chemistry--Study and teaching1
- Chemists[remove]11
- Commemorative postage stamps1
- Diabetes2
- Diabetes--Treatment2
- Distillation1
- Distillation apparatus1
- Edelfelt, Albert, 1854-19051
- Faraday, Michael, 1791-18671
- First day covers (Philately)1
- Germany1
- Haber, Fritz, 1868-19341
- Hodgkin, Dorothy, 1910-19941