Memo from Dr. Riedl re: Violation of Border by Czechoslovakian Airplanes, July 2, 1951
in Records of the U.S. High Commissioner for Germany (RG466), of United States. National Archives and Records Administration. Federal Records (02 July 1951), Bavaria Land Commissioner, Intelligence Division, 1950-51. Reports of the Bayer Custom Police re. Border Crossings, Border Incident (1 of 2) , 1 page(s)