Departments of Labor, and Health, Education, and Welfare and related agencies appropriations for fiscal year 1973, hearings before subcommittee, 92d Congress, 2d session on H.R. 15417. pt 1. [Overview of fy 1973 HEW budget, Secretary of HEW, Commissioner of Education, Office of Education, special institutions, related agencies, Corporation of Public Broadcasting, National Commission on libraries and Information Science.]