"Profile and History". Hang Seng Bank. Hang Seng Bank (China) Limited. Retrieved 12 February 2018.
hsbc.com
It is standard to refer to Hong Kong and China without the word "mainland" for events occurred during the British era, as demonstrated in this document "banknote in Hong Kong and China in 1865 to stimulate ..." [1]Archived 8 May 2018 at the Wayback Machine
hsi.com.hk
"Company Profile". Hang Seng Indexes. Hang Seng Indexes Company Limited. Archived from the original on 27 March 2013. Retrieved 2 April 2013.
proquest.com
"Hang Seng Bank: Hang Seng Celebrates 80 Years of Service Excellence". Hong Kong Government News. 3 March 2013. ProQuest1314365633.
"HANG SENG BANK TO LAUNCH FIRST RMB-DENOMINATED GOLD ETF". Asia Pulse. 1 February 2012. ProQuest918903380.
"Company Profile". Hang Seng Indexes. Hang Seng Indexes Company Limited. Archived from the original on 27 March 2013. Retrieved 2 April 2013.
It is standard to refer to Hong Kong and China without the word "mainland" for events occurred during the British era, as demonstrated in this document "banknote in Hong Kong and China in 1865 to stimulate ..." [1]Archived 8 May 2018 at the Wayback Machine