Mahon, Denis. <br/><br/>
The drawings of Guercino in the collection of Her Majesty the Queen at Windsor Castle / 
Denis Mahon and Nicholas Turner. 
 - Cambridge :  Cambridge University Press,  1989. 
 - xlii, 502p. 
 - The Italian drawings at Windsor Castle .
 - The Italian drawings at Windsor Castle .
<br/><br/><label>ISBN: </label>0521244765 
<br/><br/><label>Subjects--Personal Names: </label><br/>Barbieri, Giovanni Francesco, 1591-1666 --Catalogs.
<br/><br/><label>Subjects--Corporate Names: </label><br/>Windsor Castle--Art collections--Catalogs.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drawing--Private collections--England--Berkshire--Windsor.