1. Federal funds for programs sponsored by federal agencies and for the subsidizing of such local programs as agricultural extension.
2. State funds directly supporting such state-supported programs as university extension and indirectly supporting local public-school programs through legislative grants.
3. Public-school funds, limited usually to the support of public-school programs.
4. Industrial funds‘. These are used in three ways: a) to support programs sponsored by industries for their own personnel; b) to subsidize nonindustrial programs through contributions; and c) to pay the tuition charges in whole or in part for the enrollment of their own personnel in programs in educational institutions. Many community agencies receive generous support from industries whose workers they serve.