Kita, A. 2021. Before the battle with the internal enemy. Training and preparation of SS men for service in concentration and extermination camps on the example of KL Auschwitz. Acta Universitatis Lodziensis. Folia Historica. 109 (Dec. 2021), 161–181. DOI:https://doi.org/10.18778/0208-6050.109.09.