Union League
Union of Black Episcopalians
United Auto Workers: Fair Practices and Anti-Discrimination Department
United Brothers of Friendship and Sisters of the Mysterious Ten
United Colored Democracy
United Golfers Association
United Negro and Allied Veterans of America, Inc.
United Negro College Fund
United States Commission on Civil Rights
United States Student Association
United Transatlantic Society
United Transport Service Employees of America
Universal African Nationalist Movement
Universal Association of Ethiopian Women
Universal Negro Improvement Association and African Communities League
University Commission on Southern Race Questions
US