DZA Potsdam Reichskanzleri: Belagerungszustand, 132 seiten, 1271 #1, 2, 3, Box: 9, Folder: 1-25. German State Documents, RH MS 228. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/6762 Accessed January 01, 2025.