TY - BOOK ED - United States. TI - Handbook on sources of data for manpower projections AV - HD5723 .A46 PY - 1961/// CY - Washington PB - U.S. Dept. of Labor, Bureau of Employment Security, Office of Program Review and Analysis KW - Manpower KW - United States KW - Statistics KW - Labor supply N1 - At head of title: Employment security research methods; "BES no. R-129."; On cover: Handbook series ER -