- 1931[subject unknown]Independent
- 1934[subject unknown]Independent
- 1935[subject unknown]Independent
- 1939[subject unknown]Independent
- 1939[subject unknown]Independent
- 1940[subject unknown]Independent
- 1941[subject unknown]Independent Investigators
- 1951[subject unknown]Library Readers
- 1954[subject unknown]Library Readers
- 1952[subject unknown]Trustee
- 1953[subject unknown]Trustee
- 1954[subject unknown]Trustee
- 1955[subject unknown]Trustee
- 1956[subject unknown]Trustee
- 1957[subject unknown]Trustee
- 1958[subject unknown]Trustee