¹ [Europäische Revue (Berlin), IX: 10 (Oct. 1933), 639. Gustav Richard Heyer, Der Organismus der Seele (Munich, 1932); trans. by E. and C. Paul, The Organism of the Mind (London, 1933). For Heyer (1890–1967), see Jung’s letter of 20 Apr. 1934, in Letters, ed. G. Adler, vol. 1.]