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Subject
- Account books2
- American Cyanamid Company1
- Aniline1
- Art1
- Art--Study and teaching1
- Bayer Company, Inc.1
- Benzidine1
- Benzidine dyes1
- Calcimining1
- Calico-printing2
- Chemical engineering1
- Chemistry, Technical1
- Chromatographic analysis1
- Clothing trade1
- Coal-tar colors5
- Coal-tar products2
- Color1
- Color Association of the United States1
- Color in the textile industries2
- Color--Study and teaching2