Description: University of Illinois Sigma Delta Chapter of Sigma Alpha Iota (international fraternity for women musicians) subject file including concert programs, newsletters, calendars, bylaws, official policies, and songbooks. The file also includes a historical scrapbook prepared by the Sigma Delta chapter (2000) including materials from 1928, 1949, and 1994-2000, a goblet (1989), and a banner bearing the sorority crest.