These files are separated into two categories: on-campus lectures dating from 1939 to 1988 and off-campus lectures dating from 1959 to 1976. The on-campus teaching materials illustrate Sellars's teaching style at the University of Iowa, University of Minnesota, Yale University, and the University of Pittsburgh. The files are arranged alphabetically by course topic, and extensive files exist for: Ethics, Introduction to Philosophy, Logic, Metaphysics, Central Problems in Philosophy, and Theory of Knowledge. The Miscellaneous files contain items from courses that could not be classified by topic, or were too limited in scope to warrant individual identification. Under each of these course topics, the bulk of the files are categorized as lecture notes. These lecture notes tend to be scripted lectures for the entire semester and appear to have been drafted by Sellars early in his career. The initial lectures often contain many inserted pages and notations, revealing the changing style and theories presented in Sellars's lectures. Furthermore, the lecture notes often contain supplemental items such as bibliographies, handouts, and student enrollment lists. In addition to the lecture notes, this section includes exam files. While the majority of the exams are midterm and final exams, there are also quizzes and other special exams. The remaining files document the required readings assigned by Sellars, and contain either lists of articles or the actual articles placed on reserve at the library for Sellars's students.
The off-campus teaching materials are arranged alphabetically by lecture topic and consist of either a typed or handwritten version of the lectures presented by Sellars at particular institutions. The typed versions often contain notations.