Ordnance Survey (1938). "London Sheet P" (Map). London Sheet P (Revised: 1938, Published: ca. 1946 ed.). Six inches to one mile, or 880 feet to one inch, 1/10,560. Revised: 1938, Published: ca. 1946. Director General at Ordnance Survey Office. p. Sheet P. Archived from the original on 4 April 2022. Retrieved 4 April 2022. https://maps.nls.uk/view/101428029
Ordnance Survey (1938). "Kent Sheet VIII.NE" (Map). Kent Sheet VIII.NE (Revised: 1908, Published: 1910 ed.). Six inches to one mile, or 880 feet to one inch, 1/10,560. Revised: 1908, Published: 1910. Director General at Ordnance Survey Office. p. Kent Sheet VIII.NE. Archived from the original on 4 April 2022. Retrieved 4 April 2022. https://maps.nls.uk/view/102345888
Ordnance Survey. "Middlesex Sheet XXIII" (Map). Middlesex Sheet XXIII (Middlesex Sheet XXIII ed.). Middlesex Sheet XXIII. Director General of the Ordnance Survry. p. Middlesex Sheet XXIII =. Retrieved 4 April 2022. https://maps.nls.uk/view/102345982