J. Marvin Eisenstadt, «Parental Loss and Genius», American Psychologist 33, no. 3 (1978): 211–223.
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Kenneth J. Doka, Disenfranchised Grief: New Directions, Challenges, and Strategies for Practice (Champaign, IL: Research Press, 2002); Kenneth J. Doka, Disenfranchised Grief: Recognizing Hidden Sorrow (Lexington, MA: Lexington Books, 1989).