Walford's guide to reference material v.1/ 
edited by A.J. Walford, Anthony P. Harvey and H. Drubba. 
 - 6th ed. 
 - Munchen :  K.G. Saur,  c1980- 
 - v, ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography.
<br/><br/><label>Dewey Class. No.: </label>R 011.02  / W174  v.1  1993