Redigerer Venstreekstremisme (avsnitt)

== Kilder ==
* Álvarez, Alberto Martín. «The Revolutionary Left in Central America». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 2. Palgrave Macmillan, 2023. s. 85–100. ISBN 978-3-031-30896-3.
* Backes, Uwe. «Left-Wing Extremism: The Conceptual Dimension». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 1. Palgrave Macmillan, 2023. s. 3–22. ISBN 978-3-031-30896-3.
* Breslauer, George W. ''The Rise and Demise of World Communism''. Oxford University Press, 2021. ISBN 978-0-19-757969-5.
* Brown, Archie. «Communism». I: Freeden, Michael; Sargent, Lyman Tower; Stears, Marc (red.), ''The Oxford Handbook of Political Ideologies''. OUP Oxford, 2013. ISBN 978-0-19-166371-0.
* Carter, Neil m.fl. (red.) ''The Routledge Handbook of Political Parties''. Routledge, 2023. ISBN 978-0-429-55441-4.
* Chiocchetti, Paolo. ''The Radical Left Party Family in Western Europe, 1989–2015''. Routledge, 2016. ISBN 978-1-317-22186-9.
* Davies, Garth og Zdjelar, Vanja. «Left-Wing Extremism: The Conceptual Dimension». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 1. Palgrave Macmillan, 2023. s. 23–54. ISBN 978-3-031-30896-3.
* Gray, Phillip W. «Vanguardism and Leftwing Extremism». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 1. Palgrave Macmillan, 2023. s. 91–104.
* Jebari, Idriss. «The Rise and Fall of the Arab Left». I: Cavatorta, Francesco; Storm, Lise; Resta, Valeria (red.), ''Routledge Handbook on Political Parties in the Middle East and North Africa''. Routledge, 2021. s. 17–32.
* Jungkunz, Sebastian. «The Measurement of Left-Wing Extremist Attitudes». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 1. Palgrave Macmillan, 2023. s. 141–156.
* Keith, Daniel og March, Luke. «Radical left parties». I: Carter, Neil m.fl. (red.), ''The Routledge Handbook of Political Parties''. Routledge, 2023. s. 173–184.
* Kraetzschmar, Hendrik og Resta, Valeria. «Political parties in the Arab Middle East». I: Carter, Neil m.fl. (red.), ''The Routledge Handbook of Political Parties''. Routledge, 2023. s. 414–425.
* March, Luke. ''Radical Left Parties in Europe''. Routledge, 2011. ISBN 978-0-203-15487-8.
* Mareš, Miroslav. «Environmental Apocalypticism, Other Forms of Eco-Extremism, and Their Links to the Left-Wing Extremist Scene». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 2. Palgrave Macmillan, 2023. s. 277–291.
* Mazzoleni, Oscar og Heinisch, Reinhard. «Party change beyond the 'classical models?'». I: Carter, Neil m.fl. (red.), ''The Routledge Handbook of Political Parties''. Routledge, 2023. s. 9–19.
* Newman, Michael. ''Socialism: A Very Short Introduction''. OUP Oxford, 2005. ISBN 978-0-19-157789-5.
* Rooduijn, Matthijs m.fl. «Radical distinction: Support for radical left and radical right parties in Europe». ''European Union Politics'', vol. 18, nr. 4, 2017, s. 536–559. doi:10.1177/1465116517718091.
* Rossi, Federica. «The failed amnesty of the 'years of lead' in Italy: Continuity and transformations between (de)politicization and punitiveness». ''European Journal of Criminology'', vol. 20, nr. 2, 2021, s. 381–400. doi:10.1177/14773708211008441.
* Sánchez-Cuenca, Ignacio. «Left-Wing Extremism and Violence». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 1. Palgrave Macmillan, 2023. s. 105–119.
* van der Linden, Marcel. ''The Cambridge History of Socialism'', bind 1. Cambridge University Press, 2022. ISBN 978-1-108-48134-2.
* Zenn, Jacob. «Examining Equity, Extremism, and Left–Right Reciprocal Radicalization». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 2. Palgrave Macmillan, 2023. s. 53–84.
* Zúquete, José Pedro. «Left-Wing Extremism and the War on Civilization». I: Zúquete, José Pedro (red.), ''The Palgrave Handbook of Left-Wing Extremism'', bind 2. Palgrave Macmillan, 2023. s. 257–276.