Web Links: 1. www.marxists.org/archive/marx/works/1864/10/27/.htm2. www.illinoislaborhistory.org/ haymarket/the-story-of-thehaymarket-a3. http://mospi.nic.in/Mospi_New/upload/SYB2013/CH-41-TRADE%24. http://indiatogether.org/nandigram-society5. http://en.wikipedia.org/wiki/Tiananmen_Square_protests_of_1989 PDF Download : Click here