title: Letters to the Editor.
authors.affiliation: London, U.K. E-mail: earlhopper@btinternet.com .
authors.forename: Earl
authors.initials: E
authors.lastname: Hopper
mesh_terms: D006126:Group Processes; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007602:Jungian Theory / Q000266:history; D009626:Terminology as Topic; D014473:Unconscious, Psychology