Conversion table of code and title changes, third to fourth edition, Dictionary of occupational titles

Conversion table of code and title changes, third to fourth edition, Dictionary of occupational titles

Xehetasun bibliografikoak
Erakunde egilea: United States Employment Service
Formatua: Liburua
Hizkuntza:English
Argitaratua: Washington The Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off. 1979.
Gaiak:
Occupations > Terminology.
Occupations > United States > Classification.