Materials from Series 1 Delta Delta Tau 1967-1973, includes administrative and membership records, awards, plaques, articles, memorabilia such as t-shirts and mugs, and an oversized scrapbook with detailed records of the fraternity. In the same series are items created or used for commemorative activities such as reunions; these include reprinted photographs, invitations and programs, a banner, and other ephemera. Some items from this series are on permanent display. Materials from the Gamma Beta Chapter of Theta Xi, 1973-c.2001, include administrative records, membership records, and awards including wooden plaques.