These records are composed of mostly correspondence and subject files that were created in the course of Ullman's work as an academic, primarily at Princeton University, and in various other positions he held during his career, such as his term on the editorial board of The New York Times. The records also include some of Ullman's published articles and what appear to be notes and research prepared for lectures on European governments and foreign policies. Of note is Ullman's correspondence with well-known individuals in the field of foreign policy, particularly George Kennan.

The Biographical series is primarily composed of Apple's personal documents, including baptismal records, wedding materials, event programs, correspondence to and from Apple, various news clippings, obituaries, and condolence letters. Of particular interest are presidential condolence letters, ceremonial programs for the marriage of Prince Charles and Princess Diana, letters from Julia Childs, Apple's passport, and a letter resigning his chairmanship of the Daily Princetonian.