Abstract The Theta Xi Fraternity Collection includes the records of Delta Delta Tau (1967-1973) and their reunion events (2003-2013), and some material from the Gamma Beta Chapter of Theta Xi (1973-c.2001). In 1972, Delta Delta Tau affiliated with the Theta Xi National Fraternity and became the Gamma Beta Chapter. The collection includes records of the fraternity through the years (including later reunion events) such as administrative records, memorabilia, membership, activity records, and awards....