- 1949[subject unknown]Indendent
- 1950[subject unknown]Independent
- 1951[subject unknown]Independent Investigators
- 1952[subject unknown]*Needs Work
- 1953[subject unknown]Independent Investigators
- 1956[subject unknown]Independent
- 1957[subject unknown]Independent
- 1959[subject unknown]Independent
- 1960[subject unknown]Independent
- 1961[subject unknown]Library Readers
- 1962[subject unknown]Library Readers
- 1963[subject unknown]Library Readers
- 1964[subject unknown]Independent
- 1965[subject unknown]Library Readers
- 1966[subject unknown]Library Readers
- 1968[subject unknown]Library Readers
- 1969[subject unknown]Independent
- 1970[subject unknown]Library Readers
- 1971[subject unknown]Library Readers
- 1972[subject unknown]Library Readers
- 1973[subject unknown]Library Readers
- 1979[subject unknown]Library Readers
- 1980[subject unknown]Library Readers
- 1984[subject unknown]Library Readers
- 1987[subject unknown]Library Readers
- 1988[subject unknown]Library Readers
- 1989[subject unknown]Library Readers
- 1990[subject unknown]Library Readers: Desks
- 1991[subject unknown]Library Readers: Desk
- 1992[subject unknown]Library Readers: Desks
- 1996[subject unknown]Library Readers