1. On replacing a child;Cain;J. Am. Acad. Child Psychiatry,1964
2. Anniversaries in mental illness;Hilgard;Psychiatry,1959
3. Depressive and psychotic states as anniversaries to sibling death in childhood;Hilgard;Int. Psychiatry Clin.,1969
4. Anniversary reactions, trauma and mourning;Pollock;Psychoanal. Q.,1970
5. Mourning and melancholia;Freud,1959