Index: Papers of John Adams, Volume 20, P
- Pacific Northwest
- Pacific Ocean
- Packard Humanities Institute, The
- Paddock, Zechariah (of Middleborough, Mass.)
- Padua, Italy
- Paine, Robert Treat (Mass. politician)
- Paine, Thomas (author of Common Sense)
- Paintings and prints
- Paitoni, Giovanni Battista (Venetian author)
- Pajeken, Capt. (of the Venus)
- Palestine
- Pallas (ship)
- Pallavicini family
- Palmer, Mary (Polly, 1746–1791, niece of the Cranches)
- Palmer, Mary Cranch (1720?–1790, mother of Polly)
- Panciatichi family
- Paris, France
- Parliament, British
- Parsons, Theophilus (Newburyport lawyer)
- Partridge, George (Mass. representative)
- Passamaquoddy, Maine
- Passamaquoddy Bay
- Passy, France
- Paterson, William (N.J. senator)
- Patriot (Republican) Party, Netherlands
- Patronage
- Pauw, Cornelius de
- Peacefield
- Pearson, Eliphalet (Harvard professor)
- Pemberton, James (Phila. merchant)
- Penn, John (of N.C.)
- Penn, William (founder of Penn.)
- Penn’s Hill, Mass.
- Pennsylvania
- Pennsylvania Magazine (Phila.)
- Pennsylvania Packet (Phila.)
- Pennsylvania Society for Promoting the Abolition of Slavery
- Pennsylvania Society for the Encouragement of Manufactures and the Useful Arts
- Penobscot, Maine
- Pericles (Greek statesman)
- Perkins, Elizabeth
- Perkins, Dr. Nathaniel (of Boston)
- Perry, William
- Persia
- Peters, Richard (Phila. lawyer)
- Peters, Capt. (of the Marianne)
- Philadelphia, Penn.
- Philadelphia Gazette
- Phile, Dr. Frederick (of Phila.)
- Philip II, King of Macedon
- Philip II, King of Spain
- Philosophy
- Piccinni, Niccolò (Italian composer)
- Pickman, William (Salem, Mass., merchant)
- Pigou (ship)
- Pinckney, Thomas (of S.C.)
- Pinto de Balsamão, Luiz (Portuguese minister to Britain)
- Piranesi, Giovanni Battista
- Pisistratus (Athenian tyrant)
- Pistoia, Italy
- Pitt, William (the younger, Brit. prime minister)
- Pittsford, Vt.
- Pius VI, Pope
- Plato
- Pliny the Elder
- Plutarch
- Plymouth County, Mass.
- Poetry
- Point-no-Point (now Bridesburg), Penn.
- Poland
- Polignac, Yolande Martine Gabrielle de Polastron, Duchesse de (French royal governess)
- Pomfret, Conn.
- Pompey (Roman general)
- Pope, Alexander
- Porter, John (secy to Jonathan Trumbull Sr.)
- Portland, Maine
- Portraits
- Portsmouth, Louise Renée de Penancoët de Kéroualle, Duchess of
- Portsmouth, N.H.
- Portugal
- Portuguese-American Treaty of Amity and Commerce, 1786, unratified
- Post
- Potash (pearl ash)
- Potawatomi Nation
- Potomac River
- Potts, Richard (Md. attorney general)
- Pownalborough (now Dresden), Maine
- Prat, Benjamin (Boston lawyer)
- Presbyterian Church
- Presidency, U.S.
- President’s House (Phila.)
- Price, Dr. Richard (Brit. political philosopher and theologian)
- Prices and costs
- Priestley, Dr. Joseph (Brit. scientist and theologian)
- Prince, Rev. Thomas
- Princeton College
- Prisoners of war
- Privateers
- Prizes
- Providence, R.I.
- Prussia
- Pseudonyms
- Pufendorf, Samuel, Baron von
- Puller, Richard & Charles (London banking firm)
- Purdie, Hugh (Amer. sailor)
- Putnam, Dr. Benjamin (of Ga.)
- Putnam, James (Worcester, Mass., lawyer)