This volume presents the letters forwarded to the Secretary of Labor and to the Secretary of Health, Education, and Welfare which summarized the findings and recommendations of the National Manpower Advisory Committee (NMAC) at 32 meetings between September 1962 and December 1971. As March 15, 1972 marked the 10th annivarsary of the passage of the Manpower Development and Training Act of 1962 (MDTA), the NMAC proposed that these letters be published to provide an intimate view of the evolution of Federal manpower policy and programing. The Secretary of Labor concurred with this recommendation to give maximum access to public records. Appendixes include supplementary documents and additional data about the structure and functioning of the NMAC. Eli Ginsberg, the chairman of the NMAC and the drafter of the letters, has written an introduction which reviews the advice given during the first decade of manpower programs under the MDTA, identifies the principal themes which have preoccupied the Committee, and adds selected judgments informed by the perspective of time about the appropriateness and effectiveness of the advice which the Committee proffered. (Author/MF)