Warwick, Christopher. <br/><br/>
Their Royal Highnesses, the Duke and Duchess of York / 
Christopher Warwick and Valerie Garner. 
 - London,  Sidgwick & Jackson,  c1986. 
 - 192 p.  ill. (some col.) ;  25 cm. 
<br/><br/><label>ISBN: </label>0283993863 
<br/><br/><label>Subjects--Personal Names: </label><br/>Andrew, Prince,  Duke of York, 1960- <br/>Sarah, Duchess of York,  1959-    . 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Britain--Princes and princesses--Biography.