A P Baggs, Diane K Bolton, M A Hicks and R B Pugh, 'Friern Barnet: Introduction', in A History of the County of Middlesex: Volume 6 ed. T F T Baker and C R Elrington (London, 1980), pp. 6-15. Part of the Victoria County History collaborative professional historians' project. British History Online http://www.british-history.ac.uk/vch/middx/vol6/pp6-15