Grogan, Denis Joseph <br/><br/>
Case studies in reference work / 
Denis Grogan. 
 - London :  Clive Bingley ,  c1967 [reprinted 1968]. 
 - 166 p. ;  22 cm. 
<br/><br/>Includes indexs. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--Case studies.
<br/><br/><label>Dewey Class. No.: </label>025.52  / GRC 1968