Douglas, David Charles , 1898- <br/><br/>
The Norman achievement , 1050 - 1100 
[by] David C. Douglas 
 -  University of California Press Berkeley  1969  1969 
 - xvi, 271 p. : ill., geneal. tables, maps ; 25 cm. 
<br/><br/> Bibliography: p. 243-253 
<br/><br/><label>ISBN: </label>0520013832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Normans--D
<br/><br/><label>LC Class. No.: </label>D148.D66 1969