Spriegel, William R. <br/><br/>
Elements of supervision:  by William R. Spriegel, Edward Schulz and William B. Spriegel. 

 - 2nd ed. 
 - New York:  John Wiley & Sons, Inc.,  1942 
 - xii, 349 p.:  ill.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>LC Class. No.: </label>575934 
<br/><br/><label>Dewey Class. No.: </label>658.302 SPR