On June 29, 1837, a special election was held in Pennsylvania's 3rd congressional district to fill a vacancy left by the death of Francis J. Harper (D) on March 18, 1837.[1]
- ^ "Twenty–Fifth Congress March 4, 1837, to March 3, 1839" (PDF). Office of the Historian, United States House of Representatives. Archived from the original (PDF) on December 13, 2012. Retrieved March 13, 2022. footnote 41