Subject
- Chemistry--Study and teaching (Secondary)2
- Chemists--Biography2
- Civil defense2
- Color photography2
- Color vision2
- Colorfastness (Textiles)2
- Colorimetry2
- Combustion2
- Commercial catalogs2
- Cooking (Bread)2
- Davy, Humphry, Sir, 1778-18292
- Dow Chemical Company2
- Drugs--Analysis2
- Dyes and dyeing--Dacron2
- Dyes and dyeing--Rayon2
- Dyes and dyeing--Silk2
- Dyes and dyeing--Yarn2
- Electromagnetic waves2
- Employees2
- Exhibitions2