Part I: Jung on Development. Psychological Development. Regression. Symbolic Child Psychology. Part II: Theoretical and Methodological Discussions on Development. 'Recapitulation' and 'Development' in Analytical Psychology. Methodological Issues in Developmental Psychology and Analytical Psychology. Part III: The Developmental School of Analytical Psychology. Jung, Fordham, and the 'Developmental School'. The Children's Rights Movement and Fordham's Work with Children. Part IV: Towards a Jungian Developmental Psychology. Jung as a Qualitative Psychologist. Conclusion.