Encyclopedia of business letters in four languages  Diccionario de cartas comerciales en cuatro idiomas  Lexique des lettres commerciales en quatre langues  Lexikon der geschafts-briefe in vier sprachen 

 - Bilbao  Editorial Cantábrica  1975 
 - 3 v. 
<br/><br/> English, French, German and Spanish 
<br/><br/><label>ISBN: </label>8422104121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial correspondence--Dictionaries--Polyglot.<br/>Dictionaries--Polyglot.