News. 15 November 2008 [15 November 2008]. (原始内容存档于2008-12-23). Brown, David. George Osborne 'flipped' second home to claim for £450,000 loan [乔治·奥斯本为装修第二个家报销了45万英镑贷款]
Professor E. W. Brown, lectures on Hill's lunar theory, etc... (Cambridge : University Press, 1916) The Scientific Papers of Sir George Darwin. 1907. Cambridge