Lenin: 1905/3rdcong2: DRAFT RESOLUTION ON CONFIRMATION OF THE KAZAN AND KUBAN COMMITTEES https://www.marxists.org/archive/lenin/works/1905/3rdcong2/13.htm
Letters: Letters of Marx and Engels, 1845 https://marxistleninists.org/M&E/1845/letters/45_03_17.htm
Marx and Engels. First Indian War of Independence 1857-58 http://hiaw.org/defcon6/works/1857/12/05.html