The world of learning 1975 -     .  26th ed. (1975)- 

 - London :  Europa,  1975 -     . 
 - vols.  25 cm 
<br/><br/> Current issue (49th ed. - 1999)  only in Reference; earlier issues in Serials at S/378.0025/W927  Each issue consists of 2 volumes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Universities and colleges--Directories.<br/>Libraries--Directories.<br/>Museums--Directories.