Hertford Heath (English Wikipedia)

"Hertford Heath". Herts and Middlesex Wildlife Trust. Archived from the original on 11 April 2015. Retrieved 15 February 2015.
"Balls Wood". Herts and Middlesex Wildlife Trust. Archived from the original on 15 February 2015. Retrieved 15 February 2015.

historicengland.org.uk

"CHURCH OF THE HOLY TRINITY (CHURCH OF ENGLAND), CHURCH HILL". historicengland.org.uk. Historic England. Retrieved 9 December 2021.

"Hertford Heath citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 4 March 2016. Retrieved 15 February 2015.

East Hertfordshire (Parishes) Order (PDF). 1990. Archived from the original (PDF) on 19 March 2022. Retrieved 7 December 2021.

Walker, Colin. "Scouting Personalities – Vera Barclay". Scouting Milestones. Retrieved 6 November 2014.

"Civil Parish population 2011". Neighbourhood Statistics. Office for National Statistics. Retrieved 29 October 2016.

East Hertfordshire (Parishes) Order (PDF). 1990. Archived from the original (PDF) on 19 March 2022. Retrieved 7 December 2021.
"Hertford Heath citation" (PDF). Sites of Special Scientific Interest. Natural England. Archived from the original (PDF) on 4 March 2016. Retrieved 15 February 2015.
"Hertford Heath". Herts and Middlesex Wildlife Trust. Archived from the original on 11 April 2015. Retrieved 15 February 2015.
"Balls Wood". Herts and Middlesex Wildlife Trust. Archived from the original on 15 February 2015. Retrieved 15 February 2015.
Wildlife trust saves Balls Wood Archived 2015-02-15 at the Wayback Machine, Accessed 15 February 2015