| Year | Start Date | End Date | Subject | Role |
| 1933 | - | - | Trustee | |
| 1934 | - | - | Trustee | |
| 1935 | - | - | Trustee | |
| 1936 | - | - | Trustee | |
| 1937 | - | - | Trustee | |
| 1938 | - | - | Trustee | |
| 1939 | - | - | Trustee | |
| 1940 | - | - | Trustee | |
| 1941 | - | - | Trustee | |
| 1942 | - | - | Trustee | |
| 1943 | - | - | Trustee | |
| 1944 | - | - | Trustee | |
| 1945 | - | - | Trustee | |
| 1946 | - | - | Trustee | |
| 1947 | - | - | Trustee | |
| 1948 | - | - | Trustee | |
| 1949 | - | - | Trustee | |
| 1950 | - | - | Trustee | |
| 1951 | - | - | Trustee | |
| 1952 | - | - | Trustee | |
| 1954 | - | - | Trustee | |
| 1955 | - | - | Trustee | |
| 1956 | - | - | Trustee | |
| 1957 | - | - | Trustee |