Katz, William A. <br/><br/>
Introduction to reference work 
by William A. Katz 
 - 2nd ed. 
 - New York  McGraw-Hill  1974 
 - 2.v 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)
<br/><br/><label>Dewey Class. No.: </label>P955 K159