  |
10 Downing Street: Duke of Newcastle - http://www.number10.gov.uk/history-and-tour/prime-ministers-in-history/duke-of-newcastle
Biography on the official site of the Prime Minister's Office. |
  |
Thomas Pelham-Holles, Duke of Newcastle - http://www.historyhome.co.uk/pms/newcastl.htm
Biography of this British Prime Minister from Marjorie Bloy's Web of English History, with links to related articles. |
  |
The Duke of Newcastle (1693-1768) - http://www.blupete.com/Hist/BiosNS/1700-63/Newcastle.htm
Short historical biography on one of the most influential ministers in Great Britain during the critical years when France and England fought over their possessions in North America. |
 |
Thomas Pelham-Holles, First Duke of Newcastle under Lyne - http://nottingham.ac.uk/mss/online/online-mss-catalogues/cats/newc_2ndduke_holles.html
Catalogue of letters held at the University of Nottingham Library . |
 |
InfoBritain: Duke Of Newcastle - http://www.infobritain.co.uk/Duke_Of_Newcastle.htm
Biographical entry. |