Contains papers of the following: Paplay, 1712-1721; Paterson, 1704; Pennant, Thomas, the traveller, 1772-1775; Pilkington, 1759; Pitcairne, Archibald, Doctor of Medicine, 1698, 1711; Pitt, William, 1799; Primrose, 4th Earl of Rosebery, 1800, with a letter from Peel to him, 1826, concerning Aberdeen University; Pringle of Clifton and Haining, 1737-1752; other Pringles, 1706-1746, undated, including Francis, Professor of Greek at St Andrews, on the studies of the sons of John Mackenzie, Advocate. Ramsay, 5th Earl of Dalhousie, 1705; other Ramsays, 1738-1775; Rannie, David, 1760, on conditions of service with the East India Company; Reid, Inverugie, 1761-1768.