1. N.W. Arbuckle, B. de Vries (1995), «The Long-term Effects of Later Life Spousal and Parental Bereavement on Personal Functioning», The Gerontologist, 35, pp. 637-47,
2. L. Arosio (2004), Gli opposti si respingono? Scelte di coppia e stabilità coniugale in Italia, Roma, Aracne.
3. J.F. Ball (1977), «Widow’s Grief: The Impact of Age and Mode of Death», Omega, VII, 4, pp. 307-33,
4. The Life Course Perspective Applied to Families Over Time
5. K.M. Bennett (2008), Widowhood, in D. Carr (ed.), Encyclopedia of the Life Course and Human Development, Detroit, Macmillan Social Science Library.