C. G. Jung 
Psychology and the Occult [PDF ebook] 
(From Vols. 1, 8, 18 Collected Works)

Extracted from Volumes 1, 8, and 18. Includes Jung’s Foreword to Phenomènes Occultes (1939), ‘On the Psychology and Pathology of So-called Occult Phenomena, ‘ ‘The Psychological Foundations of Belief in Spirits, ‘ ‘The Soul and Death, ‘ ‘Psychology and Spiritualism, ‘ ‘On Spooks: Heresy or Truth?’ and Foreword to Jaffé: Apparitions and Precognition.