- Phi Alpha Chapter, Omega Psi Phi Fraternity1
- Philadelphia (Pa.)--Commerce--History--18th century4
- Pinckney, Charles Cotesworth, 1746-18252
- Plantations--South Carolina--Berkeley County1
- Plantations--South Carolina--Berkeley County--Management6
- Plantations--South Carolina--Management2
- Postell, John, 1717-17821
- Presbyterian Church in the U.S.A. General Assembly1
- Presbyterian Church--South Carolina--Clergy1
- Presbyterians--Southern States3
- Prisoners of war--South Carolina13
- Prisoners of war--United States159
- Prisoners of war--United States American loyalists--Southern States27
- Read, Jacob, 1752-1816--Correspondence2
- Rhodesia, Muzorewa, Abel Tendekayi, 1925- , African National Council (ANC)1
- Richardson, Richard, 1704-17804
- Richland County Legislative Delegation, H. 20491
- Richland County Memorial Hospital Board of Trustees1
- Rural Development Policy, South Carolina1
- Saint Augustine (Fla.)--History--Revolution, 1775-17831