Conversion tables of code and title changes between second edition and third edition Dictionary of occupational titles
Publisher: U.S. G.P.O.
Published: 1965
Place of publication: Washington]
Language: eng
Number of pages: 1044
Notes: "Designed to serve as a guideline for employment service personnel and other users of the Dictionary of occupational titles, in converting codes and titles from the second edition of the Dictionary to codes and titles contained in the third edition."