Here Jung extensively responds to criticism of Psychoanalytical theory, and quotes from Morton Prince in English extensively. Jung also talks about Professor Hoche in Freiburg who described Freud and his school as "afflicted by epidemic madness" and wrote a famous article about it.
This edition is a new 2023 translation with an Afterword by the Translator, a philosophic index of Jung's terminology and a timeline of his life and works.