Greenleaf, Walter James,  1889- <br/><br/>
Careers.  Electrical engineering ... 

 - Washington, D.C.,  U.S. Govt. print. off.,  1931. 
 - ii, 11 p.  23 cm. 
<br/><br/><label>LCCN: </label>e  31000700  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational guidance.<br/>Occupations.<br/>Electrical engineering.
<br/><br/><label>LC Class. No.: </label>L777  / .A73 no. 12