Former Secretaries General
| 1875 - 1910 |
Rudolf Ulrich |
| 1911 - 1921 | Dr. Paul Brüders |
| 1921 - 1933 | Margareta Frenzi |
| 1934 - 1935 | Theodor Freiherr von Ritter |
| 1935 - 1942 | Hans Hoppenstedt |
| 1952 - 1985 | Dr. Peter Alther |
| 1985 - 1992 | Emanuel Burckhardt |
| 1992 - 1997 | Dr. Alexander von Ziegler |
| 1997 - 2002 | Stefan Peller |
