Herbert, John David <br/><br/>
A system for analyzing lessons / 
by John Herbert. 
 - New York:  Teachers College Press,  1967. 
 - vi, 131 p.;  24 cm. 
 - Teachers College studies in education .
<br/><br/>Bibliography: p. 123-126. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices