Ulmo, Anthony [1 reference]

Ulpian, Domitius (Roman jurist) [1 reference]

“U.M.” [2 subentries]

Underhill, William [2 references]

Union (ship) [2 subentries]

Union Canal Company of Pennsylvania [3 references]

Union Mills. [See redirect]

United States [28 subentries + 6 “see also” entries]

United States Circuit Court, Virginia District [4 subentries]

United States Gunboat No. 65 [1 reference]

United States Marine Hospital (Charlestown, Mass.) [1 subentry]

United States Military Academy (West Point, N.Y.) [4 subentries]

United States Military Philosophical Society [1 reference]

The United States spelling book (Cramer) [1 reference]

Universal Gazette (Philadelphia newspaper) [1 reference]

Untersuchungen über Amerika’s Bevölkerung aus dem alten Kontinente (Vater) [5 references]

Upham, Jabez [1 subentry]

Urquhart, David [1 reference]

Urquhart, Thomas [3 subentries]

Ursula (TJ’s slave; b. ca. 1737) [3 references]

Ursula (TJ’s slave; b. 1787) [1 subentry]

Urtica Whitlowi (Laportea canadensis; wood nettle) [1 reference]

Ussieux, Louis d’ [1 subentry]

Utrecht, Treaty of (1713) [1 subentry]