W.J.V. (Winthrop John Van Leuven) Osterhout papers
- D. H. Lehmer [?].
- Signature on back is hard to read, subject uncertain.
- G. H. Parker, formal portrait.
- Photograph is in a fold-out case.
- G. H. Parker, in laboratory.
- Hand written note on back of photograph: "George Howard Parker, Professor of zoology at Harvard. He was A.B., M. A., Ph.D. from Harvard and never had a job elsewhere. He was very popular and highly admired. Note how simple his laboratory was, yet he became famous."