Subjects
- Civil defense.1
- Coins -- Collectors and collecting.1
- Community service.1
- Compressors.1
- Computers.1
- Confectioners.1
- Construction industry -- Michigan -- Detroit.1
- Cookery.1
- Country life.1
- Courthouses -- Michigan.1
- Curling.1
- Customer relations.1
- Customs inspections.1
- DEW Line.1
- Dams.1
- Diesel electric power-plants.1
- Dining rooms.1
- Disasters.1
- Display of merchandise.1
- Dolls.1