Estimates of worker trait requirements for 4,000 jobs as defined in the Dictionary of occupational titles;  an alphabetical index. 

 - [Washington]  U.S. Dept. of Labor, Bureau of Employment Security  [1956] 
 - ix, 158 p.  36 cm. 
<br/><br/> Issued as attachment to Employment service program letter no. 730, Nov. 8, 1956. 
<br/><br/><label>LCCN: </label>l  56000161  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational qualifications.<br/>Occupations--United States.
<br/><br/><label>LC Class. No.: </label>HF5381  / .U8553