Coba jelasin Lihat pula dari Karl Johann Kautsky dong

Terrorism and Communism, pamflet yang ditulis Leon Trotsky sebagai respon dari pamflet Kautsky dengan judul yang sama

Gronow, Jukka. On the Formation of Marxism: Karl Kautsky's Theory of Capitalism, the Marxism of the Second International and Karl Marx's Critique of Political Economy. [2015] Chicago: Haymarket Books, 2016.

Kołakowski, Leszek, Main Currents of Marxism. P.S. Falla, trans. New York: W.W. Norton & Co., 2005.

Salvadori, Massimo L. Karl Kautsky and the Socialist Revolution, 1880-1938. Jon Rothschild, trans. London: New Left Books, 1979.

Steenson, Gary P. Karl Kautsky, 1854-1938: Marxism in the Classical Years.'' Pittsburgh, PA: University of Pittsburgh Press, 1978.