International bibliography of dictionaries 
(editoral direction : Helga lengenfelder) 
 - 5th rev. ed. 
 - New York  :  R. R. Bowker,  1972 
 - xxvi, 511 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>3794010493 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries--Bibliography