Lees-Milne, James. <br/><br/>
The bachelor duke :  a life of William Spencer Cavendish, 6th duke of Devonshire 1790-1858 / 
James Lees-Milne. 
 - London :  Murray,  1991. 
 - viii, 234p. 
<br/><br/><label>ISBN: </label>0719549205 
<br/><br/><label>Subjects--Personal Names: </label><br/>Cavendish, William George Spencer, 6th Duke of Devonshire.