- Novelists, American--South Carolina1
- Orcutt, L. 1830- Gallery of L. Orcutt (Charleston, S.C.)1
- Orphans--South Carolina1
- Orphans--South Carolina--Charleston1
- Perry, B. F. (Benjamin Franklin), 1805-18861
- Peter Ashley1
- Pharmacists--South Carolina--Charleston1
- Phosphate industry1
- Phosphate industry--South Carolina1
- Piano1
- Pierce, George F. (George Foster), 1811-18841
- Planters' and Mechanics' Bank of South Carolina (Charleston, S.C.)--Records and correspondence1
- Political conventions--South Carolina--Charleston1
- Porcher, William Mazyck, 1812-19021
- Port Society of Charleston, S.C1
- Postal service--South Carolina – Charleston1
- Postal service--South Carolina--History1
- Poultry industry--South Carolina--Charleston1
- Poverty--South Carolina1
- Presbyterian Church--South Carolina--Charleston--Clergy1