Chao, Yuen Ren,   1892-1982. <br/><br/>
Language and symbolic systems. 

 - Cambridge,  Cambridge U.P.,  1968. 
 - xv, 240 p.  illus.  21 cm. 
<br/><br/>Bibliography: p. 228-229. 
<br/><br/><label>ISBN: </label>0521046165 
<br/><br/><label>LCCN: </label>67024937 
<br/><br/><label>Nat. Bib. No.: </label>B*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages<br/>Signs and symbols<br/>Writing
<br/><br/><label>LC Class. No.: </label>P106 
<br/><br/><label>Dewey Class. No.: </label>400