Series 1. Administrative Files, 1927-1985, 1.20 l.f

This series is divided into six subseries: correspondence, treasurer's records, booklets and pamphlets, membership records, newsletters, and program files documenting Pi Kappa Lambda over the period of the 1930's to the present. Also includes card files of the membership. . A historical booklet covering the national organization and the various chapters from 1918 to 1937 is contained in this series.

Series 2. Indexed Files, 1927-1962, 1.20 l.f

File series maintained by separate Theta Chapter members c. (1927-62). Two of the file units contain documents relating to Oberlin's Theta Chapter and a third file is related to the business of the National Chapter, Pi Kappa Lambda. Series includes the following titles: by-laws, convention information, meeting minutes, initiation of members, and other related files

Series 3. President's Files, 1961-1986, 0.8 l.f.

These files primarily consist of information pertaining to the work of the Theta Chapter presidents and the various information each one of them collected each year. This is a chronological file. The earliest folders are dated from 1961 and the recent are dated up to 1986. The scope of materials ranges from election information and ballots, to correspondence, notices, and honor recipients. The presidents and other officers are listed in the luncheon programs for the years 1929 through 1985.