Boll, Michael M.: Cold War in the Balkans. American Foreign Policy and the Emergence of Communist Bulgaria, 1943-1947; Boll, Michael M. [Ed.]: The American Military Mission in the Allied Control Commission for Bulgaria, 1944—1947. History and Transcripts

Hoppe, H.-J. (2021). Boll, Michael M.: Cold War in the Balkans. American Foreign Policy and the Emergence of Communist Bulgaria, 1943-1947; Boll, Michael M. [Ed.]: The American Military Mission in the Allied Control Commission for Bulgaria, 1944—1947. History and Transcripts. Südost-Forschungen, 1(1), 480–483. Abgerufen von http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/9221