Hopkins, Edward Scott.  <br/><br/>
The practice of sanitation / 
Edward Scott Hopkins and William Henry Schulze. 
 - 2nd ed. 
 - Baltimore :  The Williams & Wilkins company,  c 1954. 
 - 466 p. :  ill. ;  23 cm. 
<br/><br/> Includes Index. 
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary --Municipal engineering.
<br/><br/><label>Dewey Class. No.: </label>628 / H774p