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Subject
- 4-H clubs1
- Advertising, Industrial485
- Aerial spraying and dusting in agriculture1
- Agricultural industries1
- Boll weevil1
- Boll weevil--Control1
- Brooms and brushes1
- Cattle9
- Cellulose51
- Cellulose acetate16
- Cellulose industry58
- Cellulose--Chemistry18
- Chemical industry496
- Chemical industry--Periodicals8
- Chemical tests and reagents3
- Children in advertising4
- Christmas tree ornaments2
- Cleaning compounds11
- Coal mines and mining--Explosives1
- Corporations496