Dreyfuss, Henry <br/><br/>
Symbol sourcebook  an authoritative guide to international graphic symbols. 

 - New York  McGraw-Hill  [1972] 
 - 292 p.  illus.  28 cm. 
<br/><br/> 920519 
<br/><br/>Bibliography: p. 252-269. 
<br/><br/><label>ISBN: </label>0070178372 
<br/><br/><label>LCCN: </label>71172261  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signs and symbols
<br/><br/><label>LC Class. No.: </label>AZ108  / .D74 
<br/><br/><label>Dewey Class. No.: </label>001.56