Subject
- Chemical industry99
- Communications, Military1
- Communications, Military--Equipment and supplies1
- Corporation reports1
- Corporations121
- Daimler automobile1
- Douglas Aircraft Company3
- Employees17
- Emulsion polymerization1
- Emulsions4
- Exhibitions1
- F.W. Woolworth Company1
- Freight cars1
- Fungicides1
- Geiger-Müller counters1
- George M. Ewing Co.4
- Glassware2
- Gulf Oil Corporation2
- Gums and resins3
- Heinkel 111 (Bomber)1