Subject
- Circular saws1
- Cleaning compounds1
- Coal gasification1
- Coatings1
- Coatings industry1
- Colorimetric analysis1
- Colorimetry1
- Colorimetry--Instruments1
- Construction industry1
- Control boards (Electrical engineering)1
- Corporations--Finance1
- Cracking process1
- Cranes, derricks, etc.1
- Crawford, Frederick C., 1891-19941
- Dehydrogenation1
- Delta Sigma Theta Sorority1
- Dietzel, Melvin1
- Doan, Leland I.1
- Doedens, James1
- Dyer, Janet1