He also devoted a considerable amount of his time to studying hypnosis (which he used to help his wife with birth labor) and parapsychological phenomena, but a book he had written on these areas got lost during the Spanish Civil War.
He also devoted a considerable amount of his time to. He also was studying hypnosis (which he used to help his wife with birth labor) and parapsychological phenomena. A book got lost during the Spanish Civil War. He had written on these areas A book.