"Social Capital Variables Spreadsheet for 2014". PennState College of Agricultural Sciences, Northeast Regional Center for Rural Development. December 8, 2017. Archived from the original on December 31, 2019. Retrieved December 30, 2019.
Alexander Kent; Thomas C. Frohlich; Sam Stebbins; Evan Comen; Michael B. Sauter. "The most Democratic counties in each state". USA TODAY. Archived from the original on November 17, 2020. Retrieved November 15, 2020.
"Social Capital Variables Spreadsheet for 2014". PennState College of Agricultural Sciences, Northeast Regional Center for Rural Development. December 8, 2017. Archived from the original on December 31, 2019. Retrieved December 30, 2019.
Alexander Kent; Thomas C. Frohlich; Sam Stebbins; Evan Comen; Michael B. Sauter. "The most Democratic counties in each state". USA TODAY. Archived from the original on November 17, 2020. Retrieved November 15, 2020.