- Islandora Repository
- Revolutionary Philadelphia
- APS Objects
- Pierce, John Jr. to Managers of the United States Lottery, 1778 November 13
- Pierse, John, Jr. to Nathanael Greene, 1780 November 9
- Plan of March Report
- Plan of government for Virginia by George Mason and Thomas Jefferson, 1776 June 8 - 10; Pendleton, Edmund to [Thomas Jefferson], 1776 August 10
- Plebia to Nathanael Greene, undated
- Poem in memory of Julia, 1904 November 9
- Poncelin de La Roche-Tilhac, Jean-Charles to William Temple Franklin, 1782 October 22
- Poncelin de La Roche-Tilhac, Jean-Charles to William Temple Franklin, 1782 October 29
- Poncelin de La Roche-Tilhac, Jean-Charles to William Temple Franklin, 1783 August 19
- Poncelin de La Roche-Tilhac, Jean-Charles to William Temple Franklin, 1783 January 25
- Poor Will's Almanack with notes by John Lukens, 1778
- Poor woman seeking assistance, 1781 December 02