Source for Popular Vote data: South Carolina Secretary of State, "Statement of the Whole Number of Votes Cast for President of the United States, at the General Election Held in South Carolina on November 6th, 1928," Supplemental Report of the Secretary of State to the General Assembly of South Carolina for the Fiscal Year Beginning January 1, 1923 and Ending December 31, 1928 Part II (Columbia, 1929)