Name
- Perceval, John, 3rd Baronet1
- Perceval, Katherine, née Southwell; wife of Sir J Perceval, 1st Baronet1
- Perceval, Philip, 2nd Baronet1
- Petty, William, political economist1
- Prynne, William, of Stowe MS 10561
- Roxburghe Club1
- Secretary of State's Office1
- See of Pistoia, Italy1
- Signet Office, c 1444-18511
- St George, Family1
- Stephens, Robert, Historiographer Royal, d 17321
- Wellcome Foundation, London1