Reference sources for small and medium-sized libraries / 
compiled by the Ad Hoc Committee for the Fourth Edition of Reference Sources for Small and Medium-sized Libraries, Reference and Adult Services Division, American Library Association ; Jovian P. Lang and Deborah C. Masters, co-editors and chair-persons. 
 - 4th ed. 
 - Chicago :  The Association,  1984. 
 - xvi, 252 p. ;  26 cm. 
<br/><br/> Includes index.  Rev. ed. of: Reference books for small and medium-sized libraries / Ad Hoc Committee for the Third Edition of Reference Books for Small and Medium-sized Libraries. 3rd ed. 1979. 
<br/><br/><label>ISBN: </label>0838932932 (pbk.) 
<br/><br/><label>LCCN: </label>84006513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography.<br/>Small libraries--Book lists.--United States
<br/><br/><label>LC Class. No.: </label>Z1035.1  / A47 1984