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

 - Washington, D.C.,  U.S. Govt. print. off.,  1931. 
 - ii, 9 p.  23 cm. 
<br/><br/>With: Sanitation of schools / James Frederick Rogers. Washington : U. S. Govt. Print. Off., 1930. Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>e  31000717  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational guidance.<br/>Occupations.<br/>Civil engineering.<br/>Engineering--Study and teaching.
<br/><br/><label>LC Class. No.: </label>L111  / .A73 no. 11