TY - BOOK AU - Scoville,James G. TI - The job content of the U.S. economy, 1940-1970 T2 - Publications of the Wertheim Committee AV - HB2595 .S35 U1 - 331.7/00973 PY - 1969///] CY - New York PB - McGraw-Hill KW - Occupations KW - Classification KW - Local KW - United States N1 - 920713; Bibliography: p. 131-136 ER -