Bound by a Mighty Vow: Sisterhood and Women's Fraternities, 1870-1920A look at the intricate history of collegiate women's support networks otherwise known as sororities Sororities are often thought of as exclusive clubs for socially inclined college students, but Bound by a Mighty Vow, a history of the women's Greek system, demonstrates that these organizations have always served more serious purposes. Diana Turk explores the founding and development of the earliest sororities (then called women's fraternities) and