Jaeger  Waldmann international telex and teletex directory 

 - 33rd ed. 
 - Darmstadt, W. Germany  Telex-Verlag Jaeger Waldmann  1985 
 - 8 v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teletype--Directories<br/>Teletext systems--Directories