Oszytko J. The Nazi leaders of the pre-war Opole and the anti-Hitler opposition in 1933–1945 in the light of files from the Institute of National Remembrance and files from the State Archive in Opole. osap [Internet]. 2019 Sep. 17 [cited 2024 Nov. 22];16(4 (1):157-98. Available from: https://czasopisma.uni.opole.pl/index.php/osap/article/view/1211