Nawrot-Borowska, Monika. 2014. “Wet Nurses – Hired Breast-Feeders in the Light of the ‘how-to’ Literature from the Second Half of the 19th and Early 20th Centuries”. Biuletyn Historii Wychowania, no. 31 (March):85-111. https://doi.org/10.14746/bhw.2014.31.6.