Subject
- Children's literature3
- Chlorine3
- Communication3
- Communication and technology3
- Cooking3
- Dacron3
- Defense industries3
- Dow, Herbert Henry, 1866-19303
- Drug adulteration3
- Drugs3
- Dyes and dyeing--Equipment and supplies3
- Dyes and dyeing--Silk3
- Dynamite3
- Education3
- Electrical engineering3
- Electromagnetism3
- Emulsion paint3
- Faraday, Michael, 1791-18673
- Flavor3
- Food science3