Walford, Albert J. <br/><br/>
Guide to reference materials. 

 - 6th ed. 
 - London :  Library Association,  1995. 
 - 3v. ;  25 cm. 
<br/><br/>V. 1. Science and technology. - v. 2. Social and historial science, philosophy and religion. - v.3. Generalia language, and literature, the arts. 
<br/><br/><label>ISBN: </label>1856040445 v.2. 1856041379 -v.3. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography.
<br/><br/><label>Dewey Class. No.: </label>REF 016 WAL