Heuer, Gottfried M. “A Most Dangerous – and Revolutionary – Method: Sabina Spielrein, Carl Gustav Jung, Sigmund Freud, Otto Gross, and the Birth of Intersubjectivity”. Psychotherapy & Politics International 10, no. 3 (October 10, 2012). Accessed May 18, 2024. https://ojs.aut.ac.nz/psychotherapy-politics-international/article/view/390.