1. Neuropsychiatric observations;Cobb;Ann. Surg.,1943
2. Absence of grief;Deutsch;Psychoanalyt. Quart,1937
3. Mourning and its relation to manic-depressive states;Klein;Internat. J. Psychoanal.,1940
4. Symptomatology and management of acute grief;Lindemann;Am. J. Psychiat.,1944