Bulgerica et Rossica [oversize newspaper articles removed to PP 525 box 8, folder 4], 1990 - 1999, Box: 4, Folder: 64-65. Personal Papers of Heinrich Stammler, PP 525. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/164147 Accessed June 23, 2025.