Uchee Creek [1 reference]

Ulster County, N.Y. [1 reference]

unidentified correspondents [1 subentry]

Union, Va. [1 reference]

Unitarian Church [1 reference + 1 subentry]

United Agricultural Society of Petersburg [1 reference]

United Irishmen [1 reference]

United States [1 reference + 47 subentries]

United States Coast Survey [1 subentry]

United States Magazine, and Literary and Political Repository [1 reference]

United States Military Academy [12 references + 3 subentries]

United States Military Philosophical Society [1 reference + 1 subentry]

Unity (slave) [1 reference]

Universal Geography (Malte-Brun) [1 reference]

Utah Lake [2 references]

Utica, N.Y. [1 reference]