William Allen (English Quaker) (English Wikipedia)

A P Baggs, Diane K Bolton and Patricia E C Croot, 'Stoke Newington: Education', in A History of the County of Middlesex: Volume 8, Islington and Stoke Newington Parishes, ed. T F T Baker and C R Elrington (London, 1985), pp. 217-223. British History Online http://www.british-history.ac.uk/vch/middx/vol8/pp217-223 [accessed 28 March 2016].

britishmuseum.org

Bartle, G. F. "Allen, William". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/392. (Subscription or UK public library membership required.)
Burnby, Juanita. "Bell, Jacob". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2006. (Subscription or UK public library membership required.)
Smith, HM (May 1941). "Eminent men of science living in 1807-8". J. Chem. Educ. 18 (5): 203. doi:10.1021/ed018p203.

"William Allen". mdx.ac.uk. 2007. Archived from the original on 6 October 2006. Retrieved 21 July 2007.

Engraving after 'Men of Science Living in 1807-8', John Gilbert engraved by George Zobel and William Walker, ref. NPG 1075a, National Portrait Gallery, London, accessed February 2010

Bartle, G. F. "Allen, William". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/392. (Subscription or UK public library membership required.)
Burnby, Juanita. "Bell, Jacob". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/2006. (Subscription or UK public library membership required.)
Amanda Phillips, 'Irving, Lydia (1797–1893)’, Oxford Dictionary of National Biography, Oxford University Press, 2004 accessed 20 June 2017

The Pharmaceutical, Journal (2007). "William Allen: Anti Slavery campaigner" (PDF). pharmaceutical-journal.com.

"rediscoveringamerica.org.uk". Archived from the original on 29 September 2007. Retrieved 4 March 2007.

Shirren, Fleetwood House p.160, cited in Quaker history page Archived 30 September 2011 at the Wayback Machine

"William Allen". mdx.ac.uk. 2007. Archived from the original on 6 October 2006. Retrieved 21 July 2007.
"rediscoveringamerica.org.uk". Archived from the original on 29 September 2007. Retrieved 4 March 2007.
Shirren, Fleetwood House p.160, cited in Quaker history page Archived 30 September 2011 at the Wayback Machine