This series of files consists of materials and documents from Dr. Stephen Toulmin's extensive professional and academic work. The series is subdivided into two major sub-series: "University materials" and "Workshops, Conferences, symposia, colloquia." "University materials" is a collection of academic and administrative-related documents from Dr. Toulmin's academic careers at the University of Chicago, Northwestern University, and the University of Southern California. The "Workshops..." sub-series is a collection of Dr. Toulmin's papers, correspondence, and printed materials from various conferences and similar events.