Boeken:
UGent bib: ****Hunt, John Dixon. Gardens and the Picturesque : Studies In the History of Landscape Architecture. Cambridge (Mass.): MIT press, 1992.
UGent bib: Thacker, Christopher. The History of Gardens. London: Croom Helm, 1979.
https://books.google.be/books/about/Designing_the_Earth.html?id=qIAhAQAAIAAJ&redir_esc=y
