Scope and Contents The Angell House was purchased from Mrs. Nellie Angell in 1951. Plans were uncertain what the house would be used for although there was a suggestion to use it as a Cosmopolitan House for international students. The Angell House became the home of the Allpha Sigmaa Tau Sorority. Source: Trustees Minutes Colorado State College of Education, vol. 4, 1948-1953, pp. 3211-12, 350. (RG1 S2 F1). see also -- Betty Jo Wilkinson's "Eat at Angell's" Manuscript...