http://chicago.cbslocal.com/2012/09/07/police-making-plans-if-students-miss-school-due-to-strike/

http://www.reuters.com/article/2012/09/07/us-chicago-schools-strike-idUSBRE88615Y20120907

http://www.suntimes.com/15054902-761/chicago-teachers-strike-for-first-time-in-25-years-contingency-sites-ready-charters-remain-open.html

http://www.nbcchicago.com/news/local/chicago-teachers-union-public-schools-strike-169122726.html?dr

http://www.rawstory.com/rs/2012/09/10/more-than-26000-chicago-teachers-go-on-strike/