- 1976[subject unknown]Independent Investigators
- 1977[subject unknown]Independent
- 1994[subject unknown]Other Research Personnel
- 1997[subject unknown]Other Research Personnel
- 1997[subject unknown]Library Readers
- 1998[subject unknown]Library Readers
- 1999[subject unknown]Other Research Personnel
- 1999[subject unknown]Library Readers
- 2000[subject unknown]Other Research Personnel