Changes

*[https://archive.org/stream/travelershandboo00crow#page/n125/mode/1up "Shanghai"] , page 102 ''The Travelers' Handbook for China (including Hongkong'') by Carl Crow. Third Edition, Revised 1921 Archive.org

**[https://archive.org/stream/travelershandboo00crow#page/n128/mode/1up Plan of the Foreign Settlements, Shanghai]

*[http://hdl.handle.net/2027/mdp.39015012846062?urlappend=%3Bseq=9 ''Shanghai, the Paradise of Adventurers''] by G E Miller (Pseudonym) Diplomat 1937 Hathi Trust Digital Library. Elsewhere, the author is stated to be Mauricio Fresco, the Mexican Honorary Consul, whose position had long been deeply implicated in the large-scale organized gambling in the city of the 1920s<ref>[https://books.google.com.au/books?id=H4y8q_Zk0g4C&pg=PT347 Page from ''Empire Made Me: An Englishman Adrift in Shanghai''] by Robert Bickers 2004 Google Books</ref>

*[http://hdl.handle.net/2027/uc1.31822003666500?urlappend=%3Bseq=9 ''The Shanghai Problem''] by William Crane Johnstone 1937 Hathi Trust Digital Library