1. niceGothein, M.-L. (1928). A history of garden art. edited by W. P. Wright. London: Dent. First published in Berlin, in 1913.
2. Hobhouse, P. Plants in garden history. London: Pavilion. (2004).
3. McLean, T. Medieval English gardens. New York: Viking Press. (1981).
4. Clark, E. The art of the Islamic garden. Ramsbury, Wiltshire: Crowood Press. (2004).
5. Lawless, J. The fragrant garden. London: Kyle Cathie Limited. (2005).