Spriegel, William R.  1893-1972. <br/><br/>
Elements of supervision 
[by] William R. Spriegel, Edward Schulz [and] William B. Spriegel. 
 - 2d ed. 
 - New York,  Wiley  [1957] 
 - 349 p.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>57005934  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personnel management.
<br/><br/><label>LC Class. No.: </label>T58  / .S68 1957 
<br/><br/><label>Dewey Class. No.: </label>658.302  / SPE 1957