Powell, Leonard Sutherland. <br/><br/>
Lecturing / 
Len Powell ; cartoon illustrations by Larry. 
 - London :  Pitman Pub.,  1973. 
 - ix, 141 p. :  ill.,  plans ;  20 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0273317393 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lectures and lecturing.