Tham khảo Hà Khải Phúc

  1. 1 2 Tracing My Children's Lineage, Eric Peter Ho, Centre of Asian Studies, HKU, ISBN 978-962-8269-54-9
  2. 1 2 Wright, Arnold (1908). Twentieth century impressions of Hong-kong, Shanghai, and other Treaty Ports of China.Their history, people, commerce, industries, and resources. London: Lloyd's Greater Britain Pub. Co.
  3. 1 2 “Colony's Loss”. The China Mail. ngày 30 tháng 8 năm 1926. tr. 1.
  4. ↑ Mellor, Bernard. Lugard in Hong Kong: Empires, Education and a Governor at Work. Hong Kong University Press. tr. 197.
  5. ↑ 賭王這一家，太會長了，有錢有顏，給不給普通人活路[liên kết hỏng]