http://en.wikipedia.org/wiki/Tianjin
http://en.wikipedia.org/wiki/Battle_of_Tientsi http://www.bbc.co.uk/history/0/20428167
http://www.heritage-history.com/www/heritage.php?Dir=wars&FileName=wars_opium.php
http://en.wikipedia.org/wiki/Second_Opium_War
http://global.britannica.com/EBchecked/topic/430163/Opium-Wars
http://www.historytoday.com/richard-cavendish/treaties-tianjin
http://www.willysthomas.net/TientsinBuildings.htm
http://www.jewsofchina.org/jewsofchina/Templates/ShowPage.asp?DBID=1&LNGID=1&TMID=10000&FID=855
http://chinamarine.org/Tientsin.aspx
http://asianhistory.about.com/od/modernchina/ss/Chinas-Boxer-Rebellion-in-Photos_11.htm