Friis, Thomas Wegener; Müller-Enbergs, Helmut (1 March 2012). Björnsson, Anders; Mörner, Ninna; Köll, Anu Mai (eds.). "The "Rosenholz-Archives": Myth and Reality". Baltic Worlds. 4 (1). Huddinge, Sweden: Centre for Baltic and East European Studies (CBEES)/Södertörn University: 25–30. ISSN2000-2955.
Friis, Thomas Wegener; Müller-Enbergs, Helmut (1 March 2012). Björnsson, Anders; Mörner, Ninna; Köll, Anu Mai (eds.). "The "Rosenholz-Archives": Myth and Reality". Baltic Worlds. 4 (1). Huddinge, Sweden: Centre for Baltic and East European Studies (CBEES)/Södertörn University: 25–30. ISSN2000-2955.