The papers range in date and content from undergraduate notes from the 1940s to complete drafts of unpublished manuscripts and working papers presented at seminars, up to Owen's death in 1982. Correspondence is minimal for the papers that originate from Owen's rooms at King's College, Cambridge.
However, the papers that originate as a donation from Owen's widow Sally, mainly consist of correspondence to Owen.

Records the minutes, attendees, and titles of papers given at meetings of the Southen Association for Ancient Philosophy. The majority of abstracts, and occasionally even entire texts, of papers given at meetings are included.