Katz, William A. <br/><br/>
Introduction to reference work   
by William A . Katz 
 - New York   McGraw-Hill  1969 
 - xi, 376p.; 23cm, 
 - McGraw-Hill series in library education .
<br/><br/> v.1: Basic infromation sources.  v.2: Reference services and reference processes. 
<br/><br/><label>ISBN: </label>007033353X [v.1] 0-07-033354-8 [v.2]  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services(Libraries) <br/>Reference books
<br/><br/><label>Dewey Class. No.: </label>025.52  / KAT