"Map of Swanscombe Skull Site". Sites of Special Scientific Interest. Natural England. Archived from the original on 4 March 2016. Retrieved 15 January 2018.
"Swanscombe Skull Site citation"(PDF). Sites of Special Scientific Interest. Natural England. Archived(PDF) from the original on 2 January 2018. Retrieved 15 January 2018.
nhm.ac.uk
Hendry, Lisa (15 December 2017). "First Britons". Natural History Museum. Archived from the original on 4 August 2018. Retrieved 17 April 2019.
"Map of Swanscombe Skull Site". Sites of Special Scientific Interest. Natural England. Archived from the original on 4 March 2016. Retrieved 15 January 2018.
"Swanscombe Skull Site citation"(PDF). Sites of Special Scientific Interest. Natural England. Archived(PDF) from the original on 2 January 2018. Retrieved 15 January 2018.