"Nene Washes citation"(PDF). Sites of Special Scientific Interest. Natural England. Archived from the original(PDF) on 24 October 2012. Retrieved 12 December 2016.
"Nene Washes". Royal Society for the Protection of Birds. Retrieved 11 December 2016.
web.archive.org
"Nene Washes citation"(PDF). Sites of Special Scientific Interest. Natural England. Archived from the original(PDF) on 24 October 2012. Retrieved 12 December 2016.