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Subject
- Bredig, Georg, 1868-194441
- Laboratories31
- Chemical industry27
- Corporations26
- Dearborn Chemical Company26
- Scientific apparatus and instruments25
- Water purification chemicals industry22
- Chemists20
- Glassware15
- Employees13
- United States. Bureau of Chemistry and Soils10
- Dyes and dyeing9
- Chemistry, Physical and theoretical8
- Drugs8
- Chemistry7
- Food industry and trade7
- Offices7
- Universität Leipzig (1409-1953)6
- Auer v. Welsbach, Carl (Auer von Welsbach), 1858-19295
- Dyes and dyeing--Textile fibers5