Source for Popular Vote data: State of Delaware - Official Results of General Election - 1972. http://uselectionatlas.org/DOC/DE/DE%20Official%20Results%201972.pdf, State of Delaware - Official Results of General Election - 1972 (http://uselectionatlas.org/DOC/DE/DE%20Official%20Results%201972.pdf) (accessed 18 Jul 2012)