William Sackville, 11th Earl De La Warr (English Wikipedia)

William, Earl De La Warr. "Welcome to Buckhurst Estate". Buckhurst Park. Archived from the original on 7 May 2010. Retrieved 3 October 2015.
Lady De La Warr. "South Park Shetland Pony Stud". Buckhurst Park. Archived from the original on 22 July 2015.

cluffnaturalresources.com

Cluff Natural Resources (2016). "Directors & Management". Archived from the original on 18 May 2016.

debretts.com

"William Herbrand Sackville DE LA WARR". People of Today. Debrett's. Archived from the original on 18 May 2016.

eastgrinsteadcourier.co.uk

This Is Sussex (6 May 2009). "Wedding application for Buckhurst Park". East Grinstead Courier. UK. Retrieved 1 June 2016.
Satchel, Sam (18 April 2015). "Earl's hunt for his favourite childhood sausage is over". East Grinstead Courier. Sussex, UK. Archived from the original on 29 July 2015.

finbuzz.com

"Earl De La Warr joins Toscafund hedge fund". FinBuzz: Financial Buzz. London. 28 April 2016. Archived from the original on 28 April 2016.

issuu.com

Sexton, Nancy (May 2014). "On top of the world". Thoroughbred Owner & Breeder. No. 117. London: Racehorse Owners Association and Thoroughbred Breeders' Association. pp. 50–53. Archived from the original on 28 September 2015. Page images at issuu.

ownerbreeder.co.uk

Sexton, Nancy (May 2014). "On top of the world". Thoroughbred Owner & Breeder. No. 117. London: Racehorse Owners Association and Thoroughbred Breeders' Association. pp. 50–53. Archived from the original on 28 September 2015. Page images at issuu.

peeragenews.blogspot.com

Rhodes, Michael (15 April 2013). "Sackville/Akroyd marriage". Peerage News. Archived from the original on 27 February 2014. Retrieved 30 January 2014.

standard.co.uk

Edwardes, Charlotte (23 July 2013). "Here comes the son... how the Duke and Duchess of Cambridge's royal baby will live". Evening Standard. London. Archived from the original on 4 March 2016. Retrieved 30 January 2014.

telegraph.co.uk

Goodley, Simon, ed. (15 April 2004). "City Diary: De la Warr hunts the sausage". The Telegraph. London. Archived from the original on 23 May 2016.
Walker, Tim (24 September 2009). "Jeweller Xenia Tolstoy receives her gem from Lord Buckhurst". The Telegraph. London. Retrieved 3 October 2015.
Doughty, Eleanor (28 October 2023). "'The estate and the cattle date from the Normans. Now we survive on our overdraft'". Telegraph. Retrieved 6 November 2023.

announcements.telegraph.co.uk

"Marriages: Lord Buckhurst and Countess Xenia Tolstoy-Miloslavsky". The Telegraph (Announcements). London. 2010. Archived from the original on 19 April 2016.
Buckhurst, Xenia (30 January 2014). "Births: Sackville". The Telegraph (Announcements). London. Archived from the original on 4 March 2016. Retrieved 30 January 2014.
Buckhurst, William (9 June 2016). "Births: Buckhurst". The Telegraph (Announcements). London. Archived from the original on 10 June 2016.

web.archive.org

Cluff Natural Resources (2016). "Directors & Management". Archived from the original on 18 May 2016.
"William Herbrand Sackville DE LA WARR". People of Today. Debrett's. Archived from the original on 18 May 2016.
Goodley, Simon, ed. (15 April 2004). "City Diary: De la Warr hunts the sausage". The Telegraph. London. Archived from the original on 23 May 2016.
"Earl De La Warr joins Toscafund hedge fund". FinBuzz: Financial Buzz. London. 28 April 2016. Archived from the original on 28 April 2016.
William, Earl De La Warr. "Welcome to Buckhurst Estate". Buckhurst Park. Archived from the original on 7 May 2010. Retrieved 3 October 2015.
Lady De La Warr. "South Park Shetland Pony Stud". Buckhurst Park. Archived from the original on 22 July 2015.
"Marriages: Lord Buckhurst and Countess Xenia Tolstoy-Miloslavsky". The Telegraph (Announcements). London. 2010. Archived from the original on 19 April 2016.
Buckhurst, Xenia (30 January 2014). "Births: Sackville". The Telegraph (Announcements). London. Archived from the original on 4 March 2016. Retrieved 30 January 2014.
Buckhurst, William (9 June 2016). "Births: Buckhurst". The Telegraph (Announcements). London. Archived from the original on 10 June 2016.
Sexton, Nancy (May 2014). "On top of the world". Thoroughbred Owner & Breeder. No. 117. London: Racehorse Owners Association and Thoroughbred Breeders' Association. pp. 50–53. Archived from the original on 28 September 2015. Page images at issuu.
Rhodes, Michael (15 April 2013). "Sackville/Akroyd marriage". Peerage News. Archived from the original on 27 February 2014. Retrieved 30 January 2014.
Edwardes, Charlotte (23 July 2013). "Here comes the son... how the Duke and Duchess of Cambridge's royal baby will live". Evening Standard. London. Archived from the original on 4 March 2016. Retrieved 30 January 2014.
Satchel, Sam (18 April 2015). "Earl's hunt for his favourite childhood sausage is over". East Grinstead Courier. Sussex, UK. Archived from the original on 29 July 2015.

webcitation.org

"Earl brings back boyhood bangers after decade-long search for recipe". News. Waitrose. September 2014. p. 3. Archived from the original on 23 May 2016.