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| | Additional Reading (from Thomas Osborne, 1st duke of Leeds) -- Britannica Concise Encyclopedia - The online ... (Site not responding. Last check: 2007-10-21) |
 | | "Leeds, Thomas Osborne, 1st Duke of, Marquess of Carmarthen, Earl of Danby, Viscount Latimer of Danby, Viscount Osborne of Dunblane, Baron Osborne of Kiveton." Britannica Concise Encyclopedia. |
 | | Leeds, Thomas Osborne, 1st Duke of, Marquess of Carmarthen, Earl of Danby, Viscount Latimer of Danby, Viscount Osborne of Dunblane, Baron Osborne of Kiveton. |
 | | Newcastle (-under-Lyme), Thomas Pelham-Holles, 1st Duke of, Duke Of Newcastle-upon-tyne, Marquess Of Clare, Earl Of Clare, Viscount Haughton, Baron Pelham Of Laughton, Baron Pelham Of Stanmer |
| www.britannica.com /ebc/article-4127 (886 words) |
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