Original Election Returns. Maryland State Archives, Annapolis.
Election Pollbook. Historical Society of Harford County, Bel Air.
These election records were released on 11 January 2012. Versions numbers are assigned by state. Alabama, Arkansas, Delaware, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Michigan, Missouri, North Carolina, Ohio, Rhode Island, South Carolina, Tennessee and Virginia are complete and are in Version 1.0. All other states are in a Beta version. For more information go to the about page.