Columbia subject headings:
Mexican War, 1846-1848--Mexico--Congresses.
Mexican War, 1846-1848--United States--Congresses.
Palo Alto Battlefield National Historic Site (Agency : U.S.)--Congresses.
Harvard subject headings:
Mexican War, 1846-1848--Congresses.
Palo Alto Battlefield National Historical Park (Tex.)--Congresses.
Princeton subject headings:
Mexican War, 1846-1848--Congresses.