The two authors were close collaborators of Sigmund Freud and editors of the journal Imago, the first journal dedicated to the application of psychoanalysis to the humanities. Points of intersection between psychoanalysis and the humanities arise from the role that the unconscious plays in humanity's cultural productions. The study, which focuses on the research of myths and fairy tales, religious studies, ethnology and linguistics, aesthetics, philosophy, law, and pedagogy, emphasizes the method of application to these fields. This is a carefully edited reprint of the original edition from 1913.