Russian dandelion (kok-saghyz) : an emergency source of natural rubber /

Bibliographies: p. 184-212.

Research on guayule (Parthenium argentatum), 1942-1959 /

Includes bibliographical references (p. 144-157).

Rubber-content of North American plants,

"Literature cited": p. 65.

Location of manufacturing plants by industry, county, and employment size: 1954. Based on a special tabulation of the 1954 census of manufacturers.

pt. 1. Food and kindred products; tobacco manufactures.--pt. 2. Textile mill products; apparel and related products; leather and leather goods.--pt. 3. Lumber and wood products; furniture and fixtures.--pt. 4. Pulp, paper, and products; printing and publishing.--pt. 5. Chemical and products: petroleum and coal products; rubber products.--pt. 6. Stone, clay, and glass products; miscellaneous manufactures.--pt. 7. Primary metal industries; fabricated metal products.--pt. 8. Machinery, except electrical; electrical machinery.--pt. 9. Transportation equipment; instruments and related products.