The fonds includes American Neurological Association material (1934-1941), army files (1939-1943), correspondence, lecture notes, glass slides, large glass negatives, colour screen filters, and reprints with a card index.

The fonds documents mainly Babkin's professional interests in physiology, especially glandular secretions and the nervous system. The fonds contains correspondence; lecture notes; citations; research notes and papers, including manuscripts sent to him by his colleagues; reprints of scientific articles mainly in Russian; and material used in the preparation of the biography of Ivan Pavlov. The latter contains correspondence with Ivan Petrovich Pavlov and members of his family, 1923-1948; photographs and portraits; and an unabridged typescript copy of Parts 1-3 of Pavlov: a Biography, with manuscript corrections, 1943-1946.

Fonds shows Dr. D. Sclater Lewis' medical and medical-historical activities, from 1904 until his death. The fonds contains correspondence, lecture notes and notes for addresses and published papers.

Fonds documents Dr. H.E. MacDermot's medical-historical activities. The fonds contains newspaper clippings, manuscript notes, photographs, lectures notes, and a draft of The MGH, the Years of Change.

The fonds largely document Dr. Segall's professional activities as a cardiologist. It contains correspondence, notes, experimental notebooks, lecture notes, articles, speeches, patients' records, electrocardiograms, reprints and material pertaining to the Louis Gross Memorial Lectures, 1922-1979. Also included are several electrocardiograph machines, dictation devices, and audio recordings (reel-to-reel tapes, dictation disks, and cassette tapes). In addition, the fonds contain records of Dr. Segall's personal and family correspondence, financial transactions, and various other official and unofficial documents.

Fonds documents Dr. Alton Goldbloom's professional activities, mainly his writings on pediatrics. The fonds contains diplomas, notice of appointment, correspondence, notes, reprints, manuscripts of I'm on Your Side, Small Patients, and revised text of Le soin de l'enfant.

Fonds documents Dr. J.C. Meakins' professional activities.

Fonds documents Dr. Frederick W. Wiglesworth's professional activities.

Fonds documents Dr. Theodore L. Sourkes' professional activities.

The fonds consists of records generated and accumulated by Arthur Vineberg during his professional activities but also contains some records related to his private life. The records are divided into nine series : A. Personal and Biographical Documents, B. Accounting, C. Medical and Research Work, D. Hospital Institutional Work, E. Publications, F. Talks, Lectures, Conferences, TV and Radio Broadcastings, G. Professional Associations and Congress, H. Films and I. Clippings on Vineberg