22 novembre 2013
Inter-university Consortium for Political and Social Research, « General Election Data for the United States, 1950-1990 », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR00013.v2
This data collection consists of national files containing county-level returns for elections to the offices of president, United States senator and representative, and governor. Also included are returns for one additional statewide office (usually attorney general or secretary of state) for those states that elected state offices in 1970 through 1990.