Series consists of annual reports, which include annual reviews of activities and a great deal of statistical information.

Series consists of broadsheets, including information about courses offered, enrolment figures, names of instructors, stipends paid, and course costs and revenues. The files are arranged by session (Spring, Summer, and Winter) and then chronologically by year.

Series includes minutes, correspondence, notes and printed material.

The records include Annual reports (1964-1984) from both Summer Session and OESS. Material from the Co-ordinating Committee on Extra-Sessional Studies (1976-1980), Broadsheets (1964-1984) and subject files.

Series includes correspondence and notes from or about Michael Shaw, who was the Vice-President responsible for OESS during this period.