- 1936[subject unknown]Independent
- 1937[subject unknown]Independent
- 1938[subject unknown]Independent
- 1939[subject unknown]Independent
- 1939[subject unknown]Independent
- 1940[subject unknown]Independent
- 1941[subject unknown]Independent Investigators
- 1943[subject unknown]Library Readers
Preserving and communicating the history of science at the MBL