D. Harman: Origin and evolution of the free radical theory of aging: a brief personal history, 1954-2009. In: Biogerontology [elektronische Veröffentlichung vor dem Druck], 2009, PMID 19466577
D. Harman: Alzheimer's disease pathogenesis: role of aging. In: Ann N Y Acad Sci 1067, 2006, S. 454–460. PMID 16804026 (Review)
D. Harman: Free radical theory of aging: an update: increasing the functional life span. In: Ann N Y Acad Sci 1067, 2006, S. 10–21. PMID 16803965 (Review)
↑K. Kitani und G. O. Ivy: “I thought, thought, thought for four months in vain and suddenly the idea came” – an interview with Denham and Helen Harman mitochondrial dysfunction and ageing. In: Biogerontology 4, 2003, S. 401–412. doi:10.1023/B:BGEN.0000006561.15498.68
↑D. Harman: Aging: a theory based on free radical and radiation chemistry. In: J Gerontol 11, 1956, S. 298–300. PMID 13332224.