- The Philadelphia City Commissioners are the Election Board and the Voter Registration Commission rolled up into one. They are the definitive source for Philadelphia-specific election-related information.
- The Pennsylvania Department of State is the definitive source for Pennsylvania election information. They have one website for voters and another website aimed at people more involved with the election process.
- The generally accepted rules of the Democratic Party of Philadelphia. You can download a copy of the Rules of the Democratic Party of Philadelphia.