Later she became interested in psychiatry, which was then only beginning to be taken seriously [citation needed] A friend, Constance Long, gave her Beatrice Hinkle's translation of Psychology of the Unconscious by Carl Gustav Jung.
She described this, and two other conferences, in a paper delivered before the First International Congress for Analytical Psychology held in Zurich in August 1958, later published in Contact with Jung, edited by Michael Fordham.
[5] While in Zürich, Harding developed a close relationship with Eleanor Bertine, who had arrived there in 1919 with Kristine Mann, after attending an International Conference of Medical Women.
There they saw analysands from the United States and Canada in a quiet, comfortable setting away from the distractions of daily life and conducive to profound experiences of the unconscious.
In his introduction to The Way of All Women, he wrote: "Drawing on her rich psychotherapeutic experience, Dr. Harding has sketched a picture of the feminine psyche which, in scope and thoroughness, far surpasses previous works in this field.
Harding wrote many other well-known books, including: Psychic Energy, Women's Mysteries, The Parental Image, and The I and not I, along with numerous papers on a variety of subjects from depression to religion.
[8] She was survived by her elder sister, Olive Elwin née Harding, who had studied mathematics at Cambridge University in the 1900s and was married to a grandson of William Stephen Jacob.