Thomas, Peter William. <br/><br/>
Sir John Berkenhead, 1617-1679 :  a Royalist career in politics and polemics / 
by P. W. Thomas. 
 - Oxford :  Clarendon P,  1969. 
 - xvi,298p. 
<br/><br/><label>ISBN: </label>0198116780 
<br/><br/><label>Subjects--Personal Names: </label><br/>Berkenhead, John, Sir,  1617-1679. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Great Britain--History--Civil War, 1642-1649.