1. The Wall as Territorial Delineation;Ando,1978
2. Property as a Guarantor of Liberty;Buchanan,1993
3. Kowloon Walled City: Life in the City of Darkness;Carney,2013
4. Semiotics: the Basics, London;Chandler,2002
5. Hong Kong Kowloon Walled City: Selected Archival Materials (Xiang Gang Jiu Long Cheng Zhai Dang An Shi Liao Xuan Bian);Chinese Archival Publisher,2007