M. Milewska, “Rural population and medical care in the Płock government In the second half of the XIX and in the beginning of the XX century”, in Marginesy, vol. 4, J. Kita and M. Korybut-Marciniak, Eds. Poland: Lodz University Press, 2021, pp. 153–169. doi: 10.18778/8142-844-6.09.