Oakley, John, 181

Oak Ridge (Rives estate, Amherst Co., Va.), 656n

oats, 472-3, 503-4

O'Bail (O'Beal), Charles, 31, 34, 35n, 36

O'Bail, Henry, 35n

Observationum Juris Romani libri quatuor (Cornelius van Bynkershoek), 229

observatories, 45

Ocmulgee River, 344n

Oconee River, 344n

Odes (Horace), 78

Odyssey (Homer), 5-6

Oeuvres complètes (Claude Adrien Helvétius), 113

Oeuvres de Séneque le philosophe (Lucius Annaeus Seneca), 156, 183n, 197, 233, 234

Of the Judicature in Parliaments (John Selden), 231

Ogden, Aaron, 210-11

Ogeechee River (Ga.), 95

Ogilvie, James

Cursory Reflections, 209n

identified, 209n

invites TJ to visit his academy, 209

letter from, 209

resides along route to Monticello, 535

Ohio

Adams Co., 379

Chillicothe, 77

Clermont Co., 359, 379, 571, 572n

Hamilton Co., 359, 379, 381n, 571

immigrants to, 118n, 381n

Marietta collectorship, 391, 394, 395n

marshal for, 118n, 636n

Moravians in, 585n

Ross Co., 378, 381n

statehood contest in, 380, 505n

U.S. district court, 505n

See also Northwest Territory

Ohio River, 369, 373, 425

Oldham, James

account with TJ, 327n

letters from cited, 655n, 716, 717, 718

letters to, 327, 654-5

and suit against E. Lanham, 654-5

works on privies at Monticello, 327, 655

Opinions of Several Learned Antiquaries (Henry Elsynge), 231

Orange Court House, Va., 384, 385, 398, 464, 534

Order of Carlos III, 119n

Orders, Essentials, Fundamental, and Standing Orders of the House of Commons, 231

Original Institution, Power and Jurisdiction of Parliaments (Sir Matthew Hale), 231

Orion (ship), 575

Orleans Territory, 166n

orphans, 147-8

orreries, 108n, 193, 194n

Osgood, Samuel

identified, 149n

letter from, 148-9

and Manhattan Company, 187n

seeks appointment, 148-9

Otis, Harrison Gray, 118-19n

Otis, Samuel A.

appointed, declines commissioner of bankruptcy, 703, 706n, 707

as secretary of the Senate, 176n, 192n, 344n, 349n

Otto, Louis Guillaume, 79-80, 481, 484n

Ottoman Empire, 26, 83, 91, 205n