Katz, W. A. <br/><br/>
Introduction to reference work   

 - New York  McGraw-Hill  1969 
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 - McGraw-Hill series in library education .
<br/><br/> Lib has :- v.1- Basic information sources. xi, 376p. Index, Appendix ; v.2- Reference services. xi,254p. Index   
<br/><br/><label>Dewey Class. No.: </label>025.52  / K19.IR