Leonid Brezhnev (1906–1982) General Secretary of the Communist Party of the Soviet Union
Cited in Nations and Internationalism http://leninist.biz/en/1979/NI302/0-Introduction.005
Source: Main Currents Of Marxism (1978), Three Volume edition, Volume II, The Golden Age, pp. 515-6
Leonid Brezhnev (1906–1982) General Secretary of the Communist Party of the Soviet Union
Cited in Nations and Internationalism http://leninist.biz/en/1979/NI302/0-Introduction.005
Mao Zedong (1893–1976) Chairman of the Central Committee of the Communist Party of China
“ A New Storm Against Imperialism https://www.marxists.org/reference/archive/mao/selected-works/volume-9/mswv9_80.htm” (1968)
Vladimir Lenin (1870–1924) Russian politician, led the October Revolution
"Communism and New Economic Policy",(April 1921)
1920s
Fidel Castro (1926–2016) former First Secretary of the Communist Party and President of Cuba
Speech (2 December 1971) http://www.cuba.cu/gobierno/discursos/1971/esp/f021271e.html
Auguste Comte (1798–1857) French philosopher
Source: A General View of Positivism (1848, 1856), p. 235
Rosa Luxemburg (1871–1919) Polish Marxist theorist, socialist philosopher, and revolutionary
Source: Reform or Revolution (1899), Ch.8
Mao Zedong (1893–1976) Chairman of the Central Committee of the Communist Party of China
On Coalition Government (1945)
Vladimir Lenin book "Left-Wing" Communism: An Infantile Disorder
CH 5, "Left Wing Communism in Germany. The Leaders, the Party, the Class, the Mass"
"Left-Wing" Communism: An Infantile Disorder (1920)
Karl Marx book The Communist Manifesto
Source: The Communist Manifesto (1848), Section 2 paragraph 7.