Igba Aare Umaru Musa Yar'Adua bere ni 29 May, 2007 leyin ayeye ibura gege bi Aare orile-ede Naijiria ketala.. 
"The 'cult' of Abraham Lincoln and the Strange Val of Liberal England in the era of the World Wars", Twentieth Century British History, (Dec 2010) 21#4 pp. 486-509 Spielberg, Steven; Goodwin, Doris Keens; Kushner, Tony.. 