Walford's guide to reference material / 
edited by Marilyn Mullay, Priscilla Schlicke 
 - 6th ed. 
 - London  : Library Association Pub.,  1993- 
 - 943 p. 
<br/><br/>v. 1. Science and technology -- v. 2. Social and historical sciences, philosophy and religion 
<br/><br/><label>ISBN: </label>1856040151 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography
<br/><br/><label>LC Class. No.: </label>Z1035.1  / W174M 1993 v1