• https://www.countryliving.com/uk/homes-interiors/gardens/a28255865/kate-middleton-back-to-nature-rhs-hampton-court-palace-garden-festival/
• https://landscapermagazine.com/green-tech-supports-hrh-duchess-of-cambridge/
• https://www.bali.org.uk/news-and-events/news/green-tech-support-rhs-hampton-court-royal-garden/
• https://www.mirror.co.uk/news/uk-news/kate-reveals-george-charlotte-helped-17326230
• https://www.standard.co.uk/news/uk/duchess-of-cambridge-dazzles-as-she-launches-latest-version-of-her-family-garden-at-rhs-hampton-court-palace-garden-festival-a4179771.html
• https://www.telegraph.co.uk/news/2019/07/01/duchess-cambridge-delights-children-back-nature-garden/
• https://www.dailymail.co.uk/femail/article-7200773/Kate-Middleton-invites-children-activities-royal-garden-Hampton-Court-Palace.html