- Specialized cultivation of plants not classifiable under the foregoing headings (e.g., cinchona, indigo, oil palm, opium poppy, rubber, sugarcane, tobacco)
- Techniques of planting and harvesting
- Use of specialized tools and equipment
- Organization of labor and production
- Processing prior to shipment or industrial use (e. g . , curing, refining, grading); etc.
- Manufacture and use of narcotics 27
- Confectionery industries 257
- Condiments 263
- Rubber industry 383
- Dyes 386
Outline of Cultural Materials. George P. Murdock, et al., eds. New Haven, Conn. Human Relations Area Files, Inc. 1961. xxv, 164 p.