Senate documents, 83d Congress. 32. Manpower utilization by Federal Government through use of private contract labor, report with conclusions and recommendations made as result of investigation into personnel needs and practices of various governmental agencies being conducted by subcommittee on Federal manpower policies [of Post Office and Civil Service Committee] pursuant to Senate resolution 53, as amended by Senate resolutions 206 and 288, with purpose of formulating policies for most effective utilization of civilian personnel during period of national emergency.