Clauson-Thue, W.  1834-1907 <br/><br/>
The A B C universal commercial, electric telegraphic code specially adapted for the use of financiers, merchants, shipowners, brokers, agents, etc. ... 
By W. Clauson-Thue 
 - 4th. ed. 
 - New Yor  The American Code Publishing Co  1899. 
 - xviii, [2], 480 p.;  22 cm. 
<br/><br/><br/>En inglés 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Códigos de cifrado y telégrafo.
<br/><br/><label>Dewey Class. No.: </label>384.14 .C616 1899