Weaver Gilbert G <br/><br/>
Visual aids    Their construction and use    

 - New Jersey   Van Nostrand U S A       1949 
 - 388p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secondary Education
<br/><br/><label>Dewey Class. No.: </label>T2:3,15, H9