Andrea A. Rusnock, Vital Accounts. Quantifying Health and Population in Eighteenth-Century England and France, 2002, p. 24. Gearchiveerd op 24 augustus 2023.
Ritchie Robertson, The Enlightenment. The Pursuit of Happiness 1680-1790, 2020, p. 336
Andrea A. Rusnock, Vital Accounts. Quantifying Health and Population in Eighteenth-Century England and France, 2002, p. 25. Gearchiveerd op 24 augustus 2023.
Andrea A. Rusnock, Vital Accounts. Quantifying Health and Population in Eighteenth-Century England and France, 2002, p. 24. Gearchiveerd op 24 augustus 2023.
Andrea A. Rusnock, Vital Accounts. Quantifying Health and Population in Eighteenth-Century England and France, 2002, p. 25. Gearchiveerd op 24 augustus 2023.