v. 1. Food needs and U.S. agriculture in 1980, by E. O. Heady and L. V. Mayer.--v. 2. Cotton and other fiber problems and policies in the United States by F. Lowenstein and others.--v. 3. Food and fiber in the Nation's politics, by C. M. Hardin.--v. 4. The United States food and fiber system in a changing world environment, by H. B. Arthur, R. A. Goldberg, and K. M. Bird.--v. 5. Agricultural policy: a review of programs and needs, by F. V. Waugh and others.--v. 6. Foreign trade and agricultural policy, by D. G. Johnson and others.--v. 7. Agricultural and foreign economic development, by R. G. Thompson and others.--v. 8. Requested papers, by H. H. Humphrey and others