Collison, Robert L. <br/><br/>
Library assistance to readers / 
Robert L. Collison, W.B. Stevenson 
 - 3rd rev.ed. 
 - London      Crosby Lockwood & Son Ltd.  GB 1960     
 - xviii, 130p.;  ill.:  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Dewey Class. No.: </label>020  / COL