- 1920Agriculturist
- 1923[position unknown]
- 1907[position unknown]
- 1926Associate Nematoloigist
- 1920[position unknown]
- 1907[position unknown]
- 2000[position unknown]
- 1958[position unknown]
- 1902[position unknown]
Preserving and communicating the history of science at the MBL