Douglass, Harl R.  <br/><br/>
Democratic supervision in secondary schools /  
Harl R. Douglass, Rudyard K. Bent and Charles W. Boardman. 
 - 2nd ed.  
 - Boston :  Houghton Mifflin,   c 1961. 
 - xii, 354 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>93  93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision.<br/>Secondary. --High schools.
<br/><br/><label>Dewey Class. No.: </label>373 / D265d