Humphries, J. (1991). 'Bread and a pennyworth of treacle': Excess female mortality in England in the 1840s. Oxford University Press.
Chicago-referens (17:e uppl.)Humphries, J. 'Bread and a Pennyworth of Treacle': Excess Female Mortality in England in the 1840s. Oxford University Press, 1991.
MLA-referens (9:e uppl.)Humphries, J. 'Bread and a Pennyworth of Treacle': Excess Female Mortality in England in the 1840s. Oxford University Press, 1991.
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