Sayers, W.C. Berwick <br/><br/>
Introduction To Library Classification Theoretical, Historical And Practical With Readings Exercise And Examination Papers 

 - 9 
 - London  Grafton & Co.  1955 
 - xxiv, 320p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>251
<br/><br/><label>Dewey Class. No.: </label>251  / I5