6. Special colleges, as veterinary and forestry institutions.
7. Departments or courses of agriculture in general or old-line colleges, and universities.
8. Farmers’ Institutes, usually conducted by colleges of agriculture or by boards or departments of agriculture.
(The above institutions may engage in various forms of extension work.)
10. The general rural newspapers.
11. Agricultural and horticultural societies of all kinds.
12. The Patrons of Husbandry, Farmers’ Educational and Cooperative Union, and other national organizations.
13. Business societies and agencies, many of them cooperative.
14. Business men’s associations and chambers of commerce in cities and towns.