- Poetry2
- Political science1
- Politics and government3
- Portobelo (Panama)1
- Price, Richard, 1723-1791. Observations on the nature of civil liberty1
- Privateering1
- Quakers1
- Religious poetry, American1
- Ritchie, Thomas, 1778-18541
- Saratoga Campaign, N.Y., 17771
- Sea-power Great Britain1
- Sermons, English 17th century1
- Seven Years' War, 1756-17631
- Shakespeare, William, 1564-1616 Friends and associates1
- Shakespeare, William, 1564-1616 Stage history To 16251
- Slavery & anti-slavery1
- Slavery United States2
- Slavery United States Speeches in Congress1
- Smith, John, 1580-16311
- Society of Friends1