Conversion table of code and title changes, third to fourth edition, Dictionary of occupational titles
By: U.S. Department of Labor, Employment and Training Administration, U.S. Employment Service.
Contributors: United States Employment Service.
Publisher: The Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1979
Place of publication: Washington
Language: eng
Number of pages: 389
Subjects: Occupations -- Terminology.; Occupations -- United States -- Classification.