File contains correspondence with Adolf Meyer. Also includes summaries of recording instruments, synopses of psychiatric cases, a transcript of "Mental health film," and transcripts of conferences and conversations.
File contains correspondence related to persons or organizations associated with the letter "J". These include the Journal of Experimental Zoology, Philippe Janvier, Johns Hopkins Medical Institute, and David Jablonski of the University of Chicago. Materials include the University of Chicago seeking Hall as an applicant for Chairman of their Department of Organismal Biology and Anatomy.
Item is a letter written to his father from Alexander Leighton during his residency at Johns Hopkins. The letter addresses his sister Gertrude's mental health and details about equipment for a film project.