- 1921Apiculturist
- 1903Scientific Assistant
- 1917[position unknown]
- 1924Laboratory Assistant
- 1904[position unknown]
- 1898Assistant
- 1923Pathologist
- 1924Pathologist
- 1926Plant Pathologist
- 1903[position unknown]
- 1921[position unknown]
- 1922[position unknown]
- 1923[position unknown]