On 15 June 1938 Captain Bürkner was appointed head of the foreign liaison section (Abteilung Ausland, later Amt Ausland) of the Abwehr, the intelligence organization of the
Stierlitz takes a key role in SS Reich Main Security Office in Berlin during World War II, infiltrating Ausland-SD (foreign intelligence) headed by Walter Schellenberg.
Alliance of German Organizations Abroad (Verband deutscher Vereine im Ausland), a Nazi organization