Delta Delta Delta Women's Fraternity - Official Site: Founded November 27, 1888 at Boston Universit

Delta Gamma - Official Site: One of the first women's fraternities, Delta Gamma was founded in 1873 in Oxford, Mississippi, at the Lewis School for Girls

Delta Kappa Epsilon - Official Site: The national homepage of DKE, founded June 22, 1844 at Yale University

Delta Phi: One of the Union Triad fraternities, Delta Phi is billed as America's oldest continuous social fraternity, founded in 1827 at Union College in Schenectady, New York

Delta Phi Epsilon - Official Site: On March 17, 1917, five women at New York University Law School took a pledge of sisterhood and loyalty and so founded Delta Phi Epsilon, the first non-sectarian, social sorority and the only one founded at a professional school

Delta Tau Delta International Fraternity - Official Site: Founded in 1858 at Bethany College by eight undergraduates angered by a fixed vote for a prize in oratory; Delta Tau Delta was born of the knowledge that integrity is essential

Delta Upsilon International Fraternity - Official Site: Social fraternity founded in 1834 at Williams College in Massachusetts. North America's oldest and largest non-secret Greek letter organization

Delta Zeta - Official Site: International sorority