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- Bauman, Robert Joel33
- Chemical industry32
- Corporations32
- Currency question30
- Badische Anilin- & Soda-Fabrik6
- Sulfuric acid industry6
- Dye industry5
- Sodium carbonate4
- Advertising3
- Ammonia industry3
- Aniline3
- Chemische Fabrik Griesheim Elektron3
- Coal trade3
- Explosives industry3
- Friedrich Bayer & Co.3
- Hugo Stinnes-Riebeck Montan und Oelwerke3
- Mineral industries3
- Oil industry workers3
- Oil-shale industry3
- Petroleum industry and trade3