Cappelen, John; Jensen, Jens. "St. Helena - jamestown"(PDF). Climate Data for Selected Stations (1931-1960) (in Danish). Danish Meteorological Institute. p. 233. Archived from the original(PDF) on 27 April 2013. Retrieved 17 October 2019.
Denholm, Ken. "South Atlantic Fortress"(PDF). Saint Helena Island Info. pp. 3–12. Archived from the original(PDF) on 26 November 2016. Retrieved 25 November 2016.
sainthelena.gov.sh
"About us". St Helena Government. 6 August 2012. Archived from the original on 3 May 2019. Retrieved 23 November 2016.
Denholm, Ken. "South Atlantic Fortress"(PDF). Saint Helena Island Info. pp. 3–12. Archived from the original(PDF) on 26 November 2016. Retrieved 25 November 2016.
"About us". St Helena Government. 6 August 2012. Archived from the original on 3 May 2019. Retrieved 23 November 2016.
Cappelen, John; Jensen, Jens. "St. Helena - jamestown"(PDF). Climate Data for Selected Stations (1931-1960) (in Danish). Danish Meteorological Institute. p. 233. Archived from the original(PDF) on 27 April 2013. Retrieved 17 October 2019.