Series VII. Lectures and Talks -- 1951-1991 (1993-1994) comprises drafts, notes, correspondence, invitations and other items related to Simon's lectures at universities, research institutes, and conferences worldwide. Presentation materials collected include lecture transcripts, outlines, drafts, schedules, correspondence, and brochures. A large number of folders contain invitations to lectures that Simon declined. The series occupies 5 boxes (5.75 cu. ft.).