Index: Papers of John Adams, Volume 17, O
- O’Bryen, Capt. Richard (of the Dauphin)
- Ohio River
- Olive oil
- Orangists
- Orders in Council (Brit.)
- Orford, Robert Walpole, 1st Earl of
- Orléans, Louis Philippe, Duc d’
- Osgood, Samuel (Mass. member of Congress)
- Ossian
- Oswald, Richard (Brit. peace negotiator)
- Otis, Mary Smith Gray (wife of Samuel Allyne)
- Otis, Samuel Allyne (Boston politician)
- Otto, Louis Guillaume (French chargé d’affaires in U.S.)
- Ottoman Empire (Sublime Porte)
- Ovid
- Oxford University
- Oxley, John (London merchant)
- Oxley & Hancock (London mercantile firm)
- Ozanam, Jacques