Hunnewell, F.W.
- Correspondence Relating to Harvard Forest 1907-1933. 1907-1933
- R.T. Fisher Certificates. 1898-1915
- R.T. Fisher Correspondence: Harvard Corporation (The). 1908-1933
- R.T. Fisher Correspondence: Lowell, A.L.. 1909-1933
- R.T. Fisher Correspondence: Lowes, J.W.. 1934