
The Political Report of the Central Committee, The Fifteenth Congress of the C.P.S.U.(B.) (7 December 1927) http://marx2mao.com/Stalin/FC27.html#s5iii
Stalin's speeches, writings and authorised interviews
circulated since early 2015, debunked by Snopes in June 2016 https://www.snopes.com/fact-check/warren-disarm-them-ourselves/. Resembles the Stalin-attributed "If the opposition disarms, well and good. If it refuses to disarm, we shall disarm it ourselves."
Misattributed
The Political Report of the Central Committee, The Fifteenth Congress of the C.P.S.U.(B.) (7 December 1927) http://marx2mao.com/Stalin/FC27.html#s5iii
Stalin's speeches, writings and authorised interviews
Rally in Idaho Falls, Idaho, May 12, 2000. http://www.renewamerica.us/archives/speeches/00_05_12idahofalls.htm.
2000
Speech to the Conservative Party conference http://www.theguardian.com/politics/2002/oct/07/conservatives2002.conservatives1 (07 October 2002)
2010s, 2016, June, Speech about the Orlando Shooting (June 13, 2016)
Concluding Speech Following the Discussion On the Report of Peace (8 November 1917) http://www.marxists.org/archive/lenin/works/1917/oct/25-26/26c.htm; Collected Works, Vol. 26.
1910s
2000s, 2003, A Vision for Iraq and the Iraqi people (March 2003)
2002 U.S. Senate Debate, October 2002 http://www.youtube.com/watch?v=F8_Mx4bqxhE
Typical sermon, described in the Chronicles of England, France, Spain, and other places adjoining by Jean Froissart