Avrich, Paul (1995) [2005]. Anarchist Voices: An Oral History of Anarchism in America. AK Press. p. 3. "All in all a wide range of views is represented: individualist anarchism, mutualist anarchism, collectivist anarchism, communist anarchism, and syndicalist anarchism, to mention only the most conspicuous." ISBN978-1904859277.
Kropotkin, Peter. (1905) [1987]. Anarchism and Anarchist Communism. Freedom Press. p. 19.
Buckley, A. M. (2011). Anarchism. Essential Library. p. 97. "Collectivist anarchism, also called anarcho-collectivism, arose after mutualism." ISBN978-1617147883.