Marcuse, Herbert. The End of Utopia. Trans. Jeremy Shapiro and Shierry M. Weber. In Psychoanalyse und Politik. Lecture delivered at the Free University of West Berlin in July 1967.
Bloch, Ernst, and Theodor W. Adorno. “Possibilities of Utopia Today.” 1964. In German here.
Neupert-Doppler, Alexander, & Charles Reitz. “Critical Theory and Utopian Thought.” In The SAGE Handbook of Frankfurt School Critical Theory (2018).