Butt, John Everett. <br/><br/>
Dickens at work 
[by] John Butt and Kathleen Tillotson. 
 - London  Methuen  [1968] 
 - 238 p.  facsims. 
<br/><br/> "Preface to the 1968 edition": p. 11-12. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Dickens, Charles, 1812-1870