Roman River (English Wikipedia)

"Roman River Valley Nature Reserve". Essex Wildlife Trust. Archived from the original on 15 August 2020. Retrieved 23 May 2017.
"Attenborough Officially Opens Abberton Scheme". Essex Wildlife Trust. 5 June 2015. Archived from the original on 10 February 2018.
"Abberton Reservoir Visitor Centre". Essex Wildlife Trust. Archived from the original on 26 March 2018. Retrieved 18 June 2017.

layerchurches.org.uk

Hopkirk 1934, p. 6. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 2. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 5. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 10. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 15. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.

layerdelahayepc.com

"Village History". Layer de la Haye Parish Council. Archived from the original on 20 September 2020. Retrieved 2 January 2021.

lexden.net

"Fingringhoe Mill". Lexden Restoration & Development. Archived from the original on 5 March 2016. Retrieved 23 May 2017.

naturalengland.org.uk

designatedsites.naturalengland.org.uk

"SSSI notification" (PDF). Natural England. Archived (PDF) from the original on 2 January 2021. Retrieved 24 May 2017.

old-maps.co.uk

"OS County Series map 1875-1876". Ordnance Survey.
"1:2,500 County Series map". Ordnance Survey.

waterprojectsonline.com

Wilson 2012, pp. 241–242. Wilson, Daniel (2012). "Abberton Reservoir enhancement" (PDF). Water Projects Online. Archived from the original (PDF) on 3 March 2016. Retrieved 24 April 2021.

web.archive.org

"Roman River Valley Nature Reserve". Essex Wildlife Trust. Archived from the original on 15 August 2020. Retrieved 23 May 2017.
Hopkirk 1934, p. 6. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
"SSSI notification" (PDF). Natural England. Archived (PDF) from the original on 2 January 2021. Retrieved 24 May 2017.
Wilson 2012, pp. 241–242. Wilson, Daniel (2012). "Abberton Reservoir enhancement" (PDF). Water Projects Online. Archived from the original (PDF) on 3 March 2016. Retrieved 24 April 2021.
"Attenborough Officially Opens Abberton Scheme". Essex Wildlife Trust. 5 June 2015. Archived from the original on 10 February 2018.
"Abberton Reservoir Visitor Centre". Essex Wildlife Trust. Archived from the original on 26 March 2018. Retrieved 18 June 2017.
"Fingringhoe Mill". Lexden Restoration & Development. Archived from the original on 5 March 2016. Retrieved 23 May 2017.
"Village History". Layer de la Haye Parish Council. Archived from the original on 20 September 2020. Retrieved 2 January 2021.
Hopkirk 1934, p. 2. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 5. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 10. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.
Hopkirk 1934, p. 15. Hopkirk, Mary (1934). "Story of Layer de la Haye". Essex County Telegraph. Archived from the original on 3 January 2021.