Map from Heinrich Stammler's lecture at University of Kansas' Orthodox Christianity on Campus group [removed from PP 525 box 3, folder 9], Bulgarian newspaper [removed from PP 525 Box 2, folders 13 and 18], Box: 7 (oversize), Folder: 4. Personal Papers of Heinrich Stammler, PP 525. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/164310 Accessed May 14, 2024.