Joseph Stalin (1879–1953) General secretary of the Communist Party of the Soviet Union
Voprosi Leninizma, Gosudarstvennoe izdatelstvo politicheskoy literaturi, (1939)
Stalin's speeches, writings and authorised interviews
The Problems of Leninism
Joseph Stalin (1879–1953) General secretary of the Communist Party of the Soviet Union
Voprosi Leninizma, Gosudarstvennoe izdatelstvo politicheskoy literaturi, (1939)
Stalin's speeches, writings and authorised interviews
Vladimir Lenin (1870–1924) Russian politician, led the October Revolution
Collected Works, Vol. 15, pp. 191–201.
Collected Works
Vladimir Lenin (1870–1924) Russian politician, led the October Revolution
"Fight at the fall of the old and the Fight for the New", Lenin Anthology
Attributions
Vladimir Lenin (1870–1924) Russian politician, led the October Revolution
As quoted in The Proletarian Revolution and the Renegade Kautsky (1972), p. 11.
Attributions
Joseph Stalin (1879–1953) General secretary of the Communist Party of the Soviet Union
Source: The Problems of Leninism, Ch.8
Vladimir Lenin (1870–1924) Russian politician, led the October Revolution
Source: State and Revolution
Friedrich Engels (1820–1895) German social scientist, author, political theorist, and philosopher
(1847)
Eduard Bernstein (1850–1932) German politician
Source: "Evolutionary Socialism" (1899) https://www.marxists.org/reference/archive/bernstein/works/1899/evsoc/index.htm, Chapter III, The Tasks and Possibilities of Social Democracy
Wilhelm Liebknecht (1826–1900) German socialist politician
No Compromise – No Political Trading (1899)