ספנסר פרסיבל – הבדלי גרסאות

* [[s:en:Perceval, Spencer (DNB00)|Dictionary of National Biography, 1885-1900, Volume 44, Perceval, Spencer by John Andrew Hamilton]]

* [http://www.theguardian.com/politics/2012/may/10/spencer-perceval-assassinated-prime-minister?INTCMP=SRCH Spencer Perceval, the assassinated prime minister that history forgot]

* [http://www.nationalarchives.gov.uk/news/710.htm Spencer Perceval's assassination at the National Archives]

* [http://www.parliament.uk/about/living-heritage/building/palace/estatehistory/from-the-parliamentary-collections/spencer-perceval/ Spencer Perceval's assassination in the Parliamentary Archives]