Permanent Farm Labor Program: Hearings Before the Committee on Agriculture and Forestry, United States Senate, 80th Congress, 1st Session on S. 1334, a Bill to Enable the Secretary of Agriculture Through the Federal Extension Service, to Cooperate with the Land-grant Colleges and Universities in Carrying Out a Program for the Collection and Dissemination of Information with Respect to the Supply of the Need For, and the Effective Use of Agricultural Workers, and for Other Purposes. June 17-19, 1947 . .