1856-1939 1861-1937 1895- 1920- 2001n-452 andreas-salomé anna austria biography cantatas carl casereports casestudies child childanalysis childbehavior childrenwithdisabilities correpondence correspondence disabledpersons education freud greatbritain heller history infant klein learning librettos lou melanie mentaldisorders mentalhealthheller music musictherapy orff peter psychoanalysis psychoanalysisandeducation psychoanalysts psychoanalytictherapy psychology psychologyof psychotherapy psychotherapypatients secular sigmund therapy wm460h477k1990a wz100a5572001 wz100f888y1988