Dictionary of occupational titles. - U. S. Employment Service (Washington U. S. Dept. of Labor, Manpower Administration, Bureau of Employment Security, 1965)
v. 1. Definitions of titles -- v. 2. Occupational classification and industry index.
"Supersedes the 1949 edition of vols. I and II and its supplement of March 1955, and pt. IV of October 1944."
Keywords: Occupations -- Terminology; Occupations -- Classification