Legge 2018,第228頁. Legge, Jerome S. Collaboration, Intelligence, and the Holocaust: Ferdinand Ďurčanský, Slovak Nationalism, and the Gehlen Organization. Holocaust and Genocide Studies. 2018, 32 (2): 224-248. ISSN 8756-6583. doi:10.1093/hgs/dcy029(英语).
Legge 2018,第228頁. Legge, Jerome S. Collaboration, Intelligence, and the Holocaust: Ferdinand Ďurčanský, Slovak Nationalism, and the Gehlen Organization. Holocaust and Genocide Studies. 2018, 32 (2): 224-248. ISSN 8756-6583. doi:10.1093/hgs/dcy029(英语).