The Frank A. Oski Collection spans his entire medical career. It includes correspondence, reprints, notebooks, articles, and research notes arranged by subject. Subjects covered include neonatal care, lymphocyte immunities, and pediatric departments throughout the United States. In addition, there is a series of administrative correspondence and drafts of chapters for the second edition of Principles and Practice of Pediatrics. Tapes of the 75th anniversary symposium for the Harriet Lane Clinic are also included.