Diethelm, Walter,  1913- <br/><br/>
Signet, Signal, Symbol :  Handbuch internationaler Zeichen =​ Emblème, signal, symbole : répertoire de signes internationaux =​ Signet, signal, symbol : handbook of international signs /​ 
von Walter Diethelm, in Zusammenarbeit mit Marion Diethelm ; mit Beiträgen von Eugenio Carmi...[et al.]. 
 - 4th ed. 
 - Zurich :  ABC Verlag,  1984. 
 - 226 p. :  chiefly ill. (some col.) ;  26 cm. 
<br/><br/> ISBN on book: 38550401401  Includes index 
<br/><br/><br/>Text in German, English, Frence. 
<br/><br/><label>ISBN: </label>38550401401 9783855040148 3855040141 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signs and symbols.
<br/><br/><label>Dewey Class. No.: </label>741.60148