unknown. "Declared Monuments in Hong Kong: Government House". Antiquities and Monuments Office, Leisure and Cultural Services Department, Government of the Hong Kong Special Administrative Region. Archived from the original on 4 October 2018. Retrieved 22 June 2017.
unknown. "Declared Monuments in Hong Kong: Government House". Antiquities and Monuments Office, Leisure and Cultural Services Department, Government of the Hong Kong Special Administrative Region. Archived from the original on 4 October 2018. Retrieved 22 June 2017.