Terrel, Dabney, letter written to, 206. Terril, Chiles, letter written to, 260. Thweat, Archibald, letters written to, 198. Tiffany, Isaac H., letter written to, 31. Ticknor, George, letter written to, 300. Van Buren, Martin, letter written to, 362. Vaughan, John, letter written to, 409. Waterhouse, Dr. Benjamin, letters written to, 252, 257. Weightman, Mr., letter written to, 450. Whittemore, Mr. Robert, letter written to, 245. Wiss, Lewis M., letter written to, 419. Woodward, Mr., letter written to, 338. Woodward, Judge Augustus B., letter written to, 405. Wright, Miss, letter written to, 408. Address lost, letters written to, 220, 223, 383, 397, 411, 425, 431, 444. Letters to Thomas Jefferson from John Adams, 29, 38, 47, 58, 68, 70, 85, 219, 261, 279, 302, 396. BOOK III.--PART I. REPORTS AND OPINIONS WHILE SECRETARY OF STATE. 1. Report on the method of obtaining fresh water from salt, 455. 2. Opinion on the proposition for establishing a woollen manufactory in Virginia, 460. 3. Report on copper coinage, 462. 4. Opinion on the question whether the Senate has the right to negative the _grade_ of persons appointed by the Executive to fill foreign missions, 465. 5. Opinion on the validity of a grant made by the State of Georgia to certain companies of individuals, of a tract of country, whereof the Indian right had never been extinguished, with power to such individuals to extinguish the Indian right, 467. 6. Opinion in favor of the Resolution of May 21, 1790, directing that, in all cases where payment had not been already made, the debts due to the soldiers of Virginia and North Carolina, should be paid to the original claimants, and not to their assignees, 469. 7. Report on plan for establishing uniformity in the coins, weights and measures, of the United States, 472. 8. Opinion on the question whether the President should veto the bill, declaring that the seat of government shall be transferred to the Potomac in the year 1790, 498. 9. Opinion respecting expenses and salaries of foreign ministers, 501. 10. Opinion in regard to the continuances of the monopoly of the commerce of the Creek nation enjoyed by Colonel McGillivray, 504. 11. Opinion respecting our foreign debt, 506. 12. Opinion on the question whether Lord Dorchester should be permitted to march troops through the territories of United States from Detroit to the Mississippi, 508. 13. Opinion on the question whether the real object of the expedition of Governor St. Clair, should be notified to Lord Dorchester, 510. 14. Opinion on the proceedings to be had under the Residence Act, 511.