A foundational book by Félix Guattari, compiling his writings on institutional psychotherapy from the 1950s to the late 1960s—when he was deeply involved in the movement. A core reference that connects psychiatry, pedagogy, and emancipatory politics.
Psychoanalysis and Transversality

References
Guattari, Félix, Psychanalyse et Transversalité, Paris, François Maspero, « Textes à l’appui », 1972 (réédition Paris, La Découverte, 2003).