His work China and the Gardens of Europe of the Eighteenth Century was published in 1950, so he did not know about the pictures of the Imperial Park in the British Museum. However, his research concluded that the art of the Chinese garden was "of fundamental importance" to the natural appearance of the eighteenth-century European garden.
他的著作成於五○年代，未及看到大英博物館勃靈頓家族的熱河畫冊現身，但已然肯定中國造園藝術對十八世紀歐洲園林的自然風貌，有「根本的重要性」。