International expedition, including U.S. and Japan, takes Tientsin, and U.S. secretary of state, John Hay, restates policy of 'open door' in China.
Editors. "International expedition takes Tientsin". The Literary Encyclopedia. First published 01 March 2010; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11633, accessed 26 April 2015.]