^ Tobias C. Bringmann : Handbuch der Diplomatie, 1815-1963: Foreign Heads of Mission in Germany and German Heads of Mission abroad from Metternich to Adenauer . Walter de Gruyter , Berlin 2001, p.127 .
^ Tobias C. Bringmann: Handbuch der Diplomatie, 1815-1963: Foreign Heads of Mission in Germany and German Heads of Mission abroad from Metternich to Adenauer . Walter de Gruyter , Berlin 2001, p.325 .