O. Maksymov and S. Stelnykovych, “Seasonality of births in the Volhynian governorate at the end of the 19th – beginning of the 20th century (based on the example of the Parish of the Dmitry church in the village of Biloshytsi, Ovruch county, Volhynian governorate)”, nzhist, no. 54, pp. 43–54, Dec. 2025, doi: 10.31652/2411-2143-2025-54-43-54.