MARTYNENKO, Volodymyr and VENGER, Nataliya. The Mennonites’ ‘Great Trek’ from the Occupied Regions of Ukraine to Warthegau in 1943–4. Acta Poloniae Historica. Online. 30 January 2023. Vol. 126, pp. 207-237. [Accessed 6 July 2025]. DOI 10.12775/APH.2022.126.11.